216381396

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{349}}^1$

素因数の和:446

約数の個数: 144

約数和(自身を含む): 646486400

約数和(自身を除く): 430105004

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 61, 66, 77, 84, 121, 122, 132, 154, 183, 231, 242, 244, 308, 349, 363, 366, 427, 462, 484, 671, 698, 726, 732, 847, 854, 924, 1047, 1281, 1342, 1396, 1452, 1694, 1708, 2013, 2094, 2443, 2541, 2562, 2684, 3388, 3839, 4026, 4188, 4697, 4886, 5082, 5124, 7329, 7381, 7678, 8052, 9394, 9772, 10164, 11517, 14091, 14658, 14762, 15356, 18788, 21289, 22143, 23034, 26873, 28182, 29316, 29524, 42229, 42578, 44286, 46068, 51667, 53746, 56364, 63867, 80619, 84458, 85156, 88572, 103334, 107492, 126687, 127734, 149023, 155001, 161238, 168916, 206668, 234179, 253374, 255468, 295603, 298046, 310002, 322476, 447069, 468358, 506748, 591206, 596092, 620004, 702537, 886809, 894138, 936716, 1182412, 1405074, 1639253, 1773618, 1788276, 2575969, 2810148, 3278506, 3547236, 4917759, 5151938, 6557012, 7727907, 9835518, 10303876, 15455814, 18031783, 19671036, 30911628, 36063566, 54095349, 72127132, 108190698, 216381396]

約数ペア:

[(1, 216381396), (2, 108190698), (3, 72127132), (4, 54095349), (6, 36063566), (7, 30911628), (11, 19671036), (12, 18031783), (14, 15455814), (21, 10303876), (22, 9835518), (28, 7727907), (33, 6557012), (42, 5151938), (44, 4917759), (61, 3547236), (66, 3278506), (77, 2810148), (84, 2575969), (121, 1788276), (122, 1773618), (132, 1639253), (154, 1405074), (183, 1182412), (231, 936716), (242, 894138), (244, 886809), (308, 702537), (349, 620004), (363, 596092), (366, 591206), (427, 506748), (462, 468358), (484, 447069), (671, 322476), (698, 310002), (726, 298046), (732, 295603), (847, 255468), (854, 253374), (924, 234179), (1047, 206668), (1281, 168916), (1342, 161238), (1396, 155001), (1452, 149023), (1694, 127734), (1708, 126687), (2013, 107492), (2094, 103334), (2443, 88572), (2541, 85156), (2562, 84458), (2684, 80619), (3388, 63867), (3839, 56364), (4026, 53746), (4188, 51667), (4697, 46068), (4886, 44286), (5082, 42578), (5124, 42229), (7329, 29524), (7381, 29316), (7678, 28182), (8052, 26873), (9394, 23034), (9772, 22143), (10164, 21289), (11517, 18788), (14091, 15356), (14658, 14762)]