649871404

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{661}}^1$

素因数の和:795

約数の個数: 96

約数和(自身を含む): 1459450496

約数和(自身を除く): 809579092

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 37, 52, 73, 74, 91, 146, 148, 182, 259, 292, 364, 481, 511, 518, 661, 949, 962, 1022, 1036, 1322, 1898, 1924, 2044, 2644, 2701, 3367, 3796, 4627, 5402, 6643, 6734, 8593, 9254, 10804, 13286, 13468, 17186, 18508, 18907, 24457, 26572, 34372, 35113, 37814, 48253, 48914, 60151, 70226, 75628, 96506, 97828, 120302, 140452, 171199, 193012, 240604, 245791, 317941, 337771, 342398, 491582, 627289, 635882, 675542, 684796, 983164, 1254578, 1271764, 1351084, 1785361, 2225587, 2509156, 3570722, 4391023, 4451174, 7141444, 8782046, 8902348, 12497527, 17564092, 23209693, 24995054, 46419386, 49990108, 92838772, 162467851, 324935702, 649871404]

約数ペア:

[(1, 649871404), (2, 324935702), (4, 162467851), (7, 92838772), (13, 49990108), (14, 46419386), (26, 24995054), (28, 23209693), (37, 17564092), (52, 12497527), (73, 8902348), (74, 8782046), (91, 7141444), (146, 4451174), (148, 4391023), (182, 3570722), (259, 2509156), (292, 2225587), (364, 1785361), (481, 1351084), (511, 1271764), (518, 1254578), (661, 983164), (949, 684796), (962, 675542), (1022, 635882), (1036, 627289), (1322, 491582), (1898, 342398), (1924, 337771), (2044, 317941), (2644, 245791), (2701, 240604), (3367, 193012), (3796, 171199), (4627, 140452), (5402, 120302), (6643, 97828), (6734, 96506), (8593, 75628), (9254, 70226), (10804, 60151), (13286, 48914), (13468, 48253), (17186, 37814), (18508, 35113), (18907, 34372), (24457, 26572)]