285694864

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{821}}^1$

素因数の和:1088

約数の個数: 80

約数和(自身を含む): 684956160

約数和(自身を除く): 399261296

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 239, 364, 478, 728, 821, 956, 1456, 1642, 1673, 1912, 3107, 3284, 3346, 3824, 5747, 6214, 6568, 6692, 10673, 11494, 12428, 13136, 13384, 21346, 21749, 22988, 24856, 26768, 42692, 43498, 45976, 49712, 74711, 85384, 86996, 91952, 149422, 170768, 173992, 196219, 298844, 347984, 392438, 597688, 784876, 1195376, 1373533, 1569752, 2550847, 2747066, 3139504, 5101694, 5494132, 10203388, 10988264, 17855929, 20406776, 21976528, 35711858, 40813552, 71423716, 142847432, 285694864]

約数ペア:

[(1, 285694864), (2, 142847432), (4, 71423716), (7, 40813552), (8, 35711858), (13, 21976528), (14, 20406776), (16, 17855929), (26, 10988264), (28, 10203388), (52, 5494132), (56, 5101694), (91, 3139504), (104, 2747066), (112, 2550847), (182, 1569752), (208, 1373533), (239, 1195376), (364, 784876), (478, 597688), (728, 392438), (821, 347984), (956, 298844), (1456, 196219), (1642, 173992), (1673, 170768), (1912, 149422), (3107, 91952), (3284, 86996), (3346, 85384), (3824, 74711), (5747, 49712), (6214, 45976), (6568, 43498), (6692, 42692), (10673, 26768), (11494, 24856), (12428, 22988), (13136, 21749), (13384, 21346)]