661806972

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{167}}^1$

素因数の和:328

約数の個数: 144

約数和(自身を含む): 1796401152

約数和(自身を除く): 1134594180

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 53, 62, 67, 93, 106, 124, 134, 159, 167, 186, 201, 212, 268, 279, 318, 334, 372, 402, 477, 501, 558, 603, 636, 668, 804, 954, 1002, 1116, 1206, 1503, 1643, 1908, 2004, 2077, 2412, 3006, 3286, 3551, 4154, 4929, 5177, 6012, 6231, 6572, 7102, 8308, 8851, 9858, 10354, 10653, 11189, 12462, 14204, 14787, 15531, 17702, 18693, 19716, 20708, 21306, 22378, 24924, 26553, 29574, 31062, 31959, 33567, 35404, 37386, 42612, 44756, 46593, 53106, 59148, 62124, 63918, 67134, 74772, 79659, 93186, 100701, 106212, 110081, 127836, 134268, 159318, 186372, 201402, 220162, 274381, 318636, 330243, 346859, 402804, 440324, 548762, 593017, 660486, 693718, 823143, 990729, 1040577, 1097524, 1186034, 1320972, 1387436, 1646286, 1779051, 1981458, 2081154, 2372068, 2469429, 3121731, 3292572, 3558102, 3962916, 4162308, 4938858, 5337153, 6243462, 7116204, 9877716, 10674306, 12486924, 18383527, 21348612, 36767054, 55150581, 73534108, 110301162, 165451743, 220602324, 330903486, 661806972]

約数ペア:

[(1, 661806972), (2, 330903486), (3, 220602324), (4, 165451743), (6, 110301162), (9, 73534108), (12, 55150581), (18, 36767054), (31, 21348612), (36, 18383527), (53, 12486924), (62, 10674306), (67, 9877716), (93, 7116204), (106, 6243462), (124, 5337153), (134, 4938858), (159, 4162308), (167, 3962916), (186, 3558102), (201, 3292572), (212, 3121731), (268, 2469429), (279, 2372068), (318, 2081154), (334, 1981458), (372, 1779051), (402, 1646286), (477, 1387436), (501, 1320972), (558, 1186034), (603, 1097524), (636, 1040577), (668, 990729), (804, 823143), (954, 693718), (1002, 660486), (1116, 593017), (1206, 548762), (1503, 440324), (1643, 402804), (1908, 346859), (2004, 330243), (2077, 318636), (2412, 274381), (3006, 220162), (3286, 201402), (3551, 186372), (4154, 159318), (4929, 134268), (5177, 127836), (6012, 110081), (6231, 106212), (6572, 100701), (7102, 93186), (8308, 79659), (8851, 74772), (9858, 67134), (10354, 63918), (10653, 62124), (11189, 59148), (12462, 53106), (14204, 46593), (14787, 44756), (15531, 42612), (17702, 37386), (18693, 35404), (19716, 33567), (20708, 31959), (21306, 31062), (22378, 29574), (24924, 26553)]