209589016

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{251}}^1$

素因数の和:345

約数の個数: 128

約数和(自身を含む): 514805760

約数和(自身を除く): 305216744

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 31, 37, 52, 56, 62, 74, 91, 104, 124, 148, 182, 217, 248, 251, 259, 296, 364, 403, 434, 481, 502, 518, 728, 806, 868, 962, 1004, 1036, 1147, 1612, 1736, 1757, 1924, 2008, 2072, 2294, 2821, 3224, 3263, 3367, 3514, 3848, 4588, 5642, 6526, 6734, 7028, 7781, 8029, 9176, 9287, 11284, 13052, 13468, 14056, 14911, 15562, 16058, 18574, 22568, 22841, 26104, 26936, 29822, 31124, 32116, 37148, 45682, 54467, 59644, 62248, 64232, 65009, 74296, 91364, 101153, 104377, 108934, 119288, 120731, 130018, 182728, 202306, 208754, 217868, 241462, 260036, 287897, 404612, 417508, 435736, 482924, 520072, 575794, 708071, 809224, 835016, 845117, 965848, 1151588, 1416142, 1690234, 2015279, 2303176, 2832284, 3380468, 3742661, 4030558, 5664568, 6760936, 7485322, 8061116, 14970644, 16122232, 26198627, 29941288, 52397254, 104794508, 209589016]

約数ペア:

[(1, 209589016), (2, 104794508), (4, 52397254), (7, 29941288), (8, 26198627), (13, 16122232), (14, 14970644), (26, 8061116), (28, 7485322), (31, 6760936), (37, 5664568), (52, 4030558), (56, 3742661), (62, 3380468), (74, 2832284), (91, 2303176), (104, 2015279), (124, 1690234), (148, 1416142), (182, 1151588), (217, 965848), (248, 845117), (251, 835016), (259, 809224), (296, 708071), (364, 575794), (403, 520072), (434, 482924), (481, 435736), (502, 417508), (518, 404612), (728, 287897), (806, 260036), (868, 241462), (962, 217868), (1004, 208754), (1036, 202306), (1147, 182728), (1612, 130018), (1736, 120731), (1757, 119288), (1924, 108934), (2008, 104377), (2072, 101153), (2294, 91364), (2821, 74296), (3224, 65009), (3263, 64232), (3367, 62248), (3514, 59644), (3848, 54467), (4588, 45682), (5642, 37148), (6526, 32116), (6734, 31124), (7028, 29822), (7781, 26936), (8029, 26104), (9176, 22841), (9287, 22568), (11284, 18574), (13052, 16058), (13468, 15562), (14056, 14911)]