621209512

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{433}}^1$

素因数の和:611

約数の個数: 128

約数和(自身を含む): 1552400640

約数和(自身を除く): 931191128

約数列:

[1, 2, 4, 7, 8, 11, 14, 17, 22, 28, 34, 44, 56, 68, 77, 88, 119, 136, 137, 154, 187, 238, 274, 308, 374, 433, 476, 548, 616, 748, 866, 952, 959, 1096, 1309, 1496, 1507, 1732, 1918, 2329, 2618, 3014, 3031, 3464, 3836, 4658, 4763, 5236, 6028, 6062, 7361, 7672, 9316, 9526, 10472, 10549, 12056, 12124, 14722, 16303, 18632, 19052, 21098, 24248, 25619, 29444, 32606, 33341, 38104, 42196, 51238, 51527, 58888, 59321, 65212, 66682, 80971, 84392, 102476, 103054, 118642, 130424, 133364, 161942, 179333, 204952, 206108, 237284, 266728, 323884, 358666, 412216, 415247, 474568, 566797, 647768, 652531, 717332, 830494, 1008457, 1133594, 1305062, 1434664, 1660988, 2016914, 2267188, 2610124, 3321976, 4033828, 4534376, 4567717, 5220248, 7059199, 8067656, 9135434, 11093027, 14118398, 18270868, 22186054, 28236796, 36541736, 44372108, 56473592, 77651189, 88744216, 155302378, 310604756, 621209512]

約数ペア:

[(1, 621209512), (2, 310604756), (4, 155302378), (7, 88744216), (8, 77651189), (11, 56473592), (14, 44372108), (17, 36541736), (22, 28236796), (28, 22186054), (34, 18270868), (44, 14118398), (56, 11093027), (68, 9135434), (77, 8067656), (88, 7059199), (119, 5220248), (136, 4567717), (137, 4534376), (154, 4033828), (187, 3321976), (238, 2610124), (274, 2267188), (308, 2016914), (374, 1660988), (433, 1434664), (476, 1305062), (548, 1133594), (616, 1008457), (748, 830494), (866, 717332), (952, 652531), (959, 647768), (1096, 566797), (1309, 474568), (1496, 415247), (1507, 412216), (1732, 358666), (1918, 323884), (2329, 266728), (2618, 237284), (3014, 206108), (3031, 204952), (3464, 179333), (3836, 161942), (4658, 133364), (4763, 130424), (5236, 118642), (6028, 103054), (6062, 102476), (7361, 84392), (7672, 80971), (9316, 66682), (9526, 65212), (10472, 59321), (10549, 58888), (12056, 51527), (12124, 51238), (14722, 42196), (16303, 38104), (18632, 33341), (19052, 32606), (21098, 29444), (24248, 25619)]