656625996

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{487}}^1$

素因数の和:620

約数の個数: 144

約数和(自身を含む): 1860162304

約数和(自身を除く): 1203536308

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 43, 52, 67, 78, 86, 117, 129, 134, 156, 172, 201, 234, 258, 268, 387, 402, 468, 487, 516, 559, 603, 774, 804, 871, 974, 1118, 1206, 1461, 1548, 1677, 1742, 1948, 2236, 2412, 2613, 2881, 2922, 3354, 3484, 4383, 5031, 5226, 5762, 5844, 6331, 6708, 7839, 8643, 8766, 10062, 10452, 11524, 12662, 15678, 17286, 17532, 18993, 20124, 20941, 25324, 25929, 31356, 32629, 34572, 37453, 37986, 41882, 51858, 56979, 62823, 65258, 74906, 75972, 83764, 97887, 103716, 112359, 113958, 125646, 130516, 149812, 188469, 195774, 224718, 227916, 251292, 272233, 293661, 337077, 376938, 391548, 424177, 449436, 544466, 587322, 674154, 753876, 816699, 848354, 1088932, 1174644, 1272531, 1348308, 1403047, 1633398, 1696708, 2450097, 2545062, 2806094, 3266796, 3817593, 4209141, 4900194, 5090124, 5612188, 7635186, 8418282, 9800388, 12627423, 15270372, 16836564, 18239611, 25254846, 36479222, 50509692, 54718833, 72958444, 109437666, 164156499, 218875332, 328312998, 656625996]

約数ペア:

[(1, 656625996), (2, 328312998), (3, 218875332), (4, 164156499), (6, 109437666), (9, 72958444), (12, 54718833), (13, 50509692), (18, 36479222), (26, 25254846), (36, 18239611), (39, 16836564), (43, 15270372), (52, 12627423), (67, 9800388), (78, 8418282), (86, 7635186), (117, 5612188), (129, 5090124), (134, 4900194), (156, 4209141), (172, 3817593), (201, 3266796), (234, 2806094), (258, 2545062), (268, 2450097), (387, 1696708), (402, 1633398), (468, 1403047), (487, 1348308), (516, 1272531), (559, 1174644), (603, 1088932), (774, 848354), (804, 816699), (871, 753876), (974, 674154), (1118, 587322), (1206, 544466), (1461, 449436), (1548, 424177), (1677, 391548), (1742, 376938), (1948, 337077), (2236, 293661), (2412, 272233), (2613, 251292), (2881, 227916), (2922, 224718), (3354, 195774), (3484, 188469), (4383, 149812), (5031, 130516), (5226, 125646), (5762, 113958), (5844, 112359), (6331, 103716), (6708, 97887), (7839, 83764), (8643, 75972), (8766, 74906), (10062, 65258), (10452, 62823), (11524, 56979), (12662, 51858), (15678, 41882), (17286, 37986), (17532, 37453), (18993, 34572), (20124, 32629), (20941, 31356), (25324, 25929)]