128461928

素因数分解:

$2^3\times 7^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{521}}^1$

素因数の和:595

約数の個数: 96

約数和(自身を含む): 305276040

約数和(自身を除く): 176814112

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 37, 49, 56, 68, 74, 98, 119, 136, 148, 196, 238, 259, 296, 392, 476, 518, 521, 629, 833, 952, 1036, 1042, 1258, 1666, 1813, 2072, 2084, 2516, 3332, 3626, 3647, 4168, 4403, 5032, 6664, 7252, 7294, 8806, 8857, 14504, 14588, 17612, 17714, 19277, 25529, 29176, 30821, 35224, 35428, 38554, 51058, 61642, 61999, 70856, 77108, 102116, 123284, 123998, 134939, 154216, 204232, 246568, 247996, 269878, 327709, 433993, 495992, 539756, 655418, 867986, 944573, 1079512, 1310836, 1735972, 1889146, 2293963, 2621672, 3471944, 3778292, 4587926, 7556584, 9175852, 16057741, 18351704, 32115482, 64230964, 128461928]

約数ペア:

[(1, 128461928), (2, 64230964), (4, 32115482), (7, 18351704), (8, 16057741), (14, 9175852), (17, 7556584), (28, 4587926), (34, 3778292), (37, 3471944), (49, 2621672), (56, 2293963), (68, 1889146), (74, 1735972), (98, 1310836), (119, 1079512), (136, 944573), (148, 867986), (196, 655418), (238, 539756), (259, 495992), (296, 433993), (392, 327709), (476, 269878), (518, 247996), (521, 246568), (629, 204232), (833, 154216), (952, 134939), (1036, 123998), (1042, 123284), (1258, 102116), (1666, 77108), (1813, 70856), (2072, 61999), (2084, 61642), (2516, 51058), (3332, 38554), (3626, 35428), (3647, 35224), (4168, 30821), (4403, 29176), (5032, 25529), (6664, 19277), (7252, 17714), (7294, 17612), (8806, 14588), (8857, 14504)]