728261716

素因数分解:

$2^2\times 7^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{307}}^1$

素因数の和:371

約数の個数: 120

約数和(自身を含む): 1690907680

約数和(自身を除く): 962645964

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 49, 52, 76, 91, 98, 133, 182, 196, 247, 266, 307, 343, 364, 494, 532, 614, 637, 686, 931, 988, 1228, 1274, 1372, 1729, 1862, 2149, 2401, 2548, 3458, 3724, 3991, 4298, 4459, 4802, 5833, 6517, 6916, 7982, 8596, 8918, 9604, 11666, 12103, 13034, 15043, 15964, 17836, 23332, 24206, 26068, 27937, 30086, 31213, 40831, 45619, 48412, 55874, 60172, 62426, 75829, 81662, 84721, 91238, 105301, 111748, 124852, 151658, 163324, 169442, 182476, 195559, 210602, 285817, 303316, 338884, 391118, 421204, 530803, 571634, 593047, 737107, 782236, 1061606, 1143268, 1186094, 1368913, 1474214, 2000719, 2123212, 2372188, 2737826, 2948428, 3715621, 4001438, 5475652, 7431242, 8002876, 9582391, 14005033, 14862484, 19164782, 26009347, 28010066, 38329564, 52018694, 56020132, 104037388, 182065429, 364130858, 728261716]

約数ペア:

[(1, 728261716), (2, 364130858), (4, 182065429), (7, 104037388), (13, 56020132), (14, 52018694), (19, 38329564), (26, 28010066), (28, 26009347), (38, 19164782), (49, 14862484), (52, 14005033), (76, 9582391), (91, 8002876), (98, 7431242), (133, 5475652), (182, 4001438), (196, 3715621), (247, 2948428), (266, 2737826), (307, 2372188), (343, 2123212), (364, 2000719), (494, 1474214), (532, 1368913), (614, 1186094), (637, 1143268), (686, 1061606), (931, 782236), (988, 737107), (1228, 593047), (1274, 571634), (1372, 530803), (1729, 421204), (1862, 391118), (2149, 338884), (2401, 303316), (2548, 285817), (3458, 210602), (3724, 195559), (3991, 182476), (4298, 169442), (4459, 163324), (4802, 151658), (5833, 124852), (6517, 111748), (6916, 105301), (7982, 91238), (8596, 84721), (8918, 81662), (9604, 75829), (11666, 62426), (12103, 60172), (13034, 55874), (15043, 48412), (15964, 45619), (17836, 40831), (23332, 31213), (24206, 30086), (26068, 27937)]