66861816

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{571}}^1$

素因数の和:645

約数の個数: 128

約数和(自身を含む): 207567360

約数和(自身を除く): 140705544

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 17, 21, 24, 28, 34, 41, 42, 51, 56, 68, 82, 84, 102, 119, 123, 136, 164, 168, 204, 238, 246, 287, 328, 357, 408, 476, 492, 571, 574, 697, 714, 861, 952, 984, 1142, 1148, 1394, 1428, 1713, 1722, 2091, 2284, 2296, 2788, 2856, 3426, 3444, 3997, 4182, 4568, 4879, 5576, 6852, 6888, 7994, 8364, 9707, 9758, 11991, 13704, 14637, 15988, 16728, 19414, 19516, 23411, 23982, 29121, 29274, 31976, 38828, 39032, 46822, 47964, 58242, 58548, 67949, 70233, 77656, 93644, 95928, 116484, 117096, 135898, 140466, 163877, 187288, 203847, 232968, 271796, 280932, 327754, 397987, 407694, 491631, 543592, 561864, 655508, 795974, 815388, 983262, 1193961, 1311016, 1591948, 1630776, 1966524, 2387922, 2785909, 3183896, 3933048, 4775844, 5571818, 8357727, 9551688, 11143636, 16715454, 22287272, 33430908, 66861816]

約数ペア:

[(1, 66861816), (2, 33430908), (3, 22287272), (4, 16715454), (6, 11143636), (7, 9551688), (8, 8357727), (12, 5571818), (14, 4775844), (17, 3933048), (21, 3183896), (24, 2785909), (28, 2387922), (34, 1966524), (41, 1630776), (42, 1591948), (51, 1311016), (56, 1193961), (68, 983262), (82, 815388), (84, 795974), (102, 655508), (119, 561864), (123, 543592), (136, 491631), (164, 407694), (168, 397987), (204, 327754), (238, 280932), (246, 271796), (287, 232968), (328, 203847), (357, 187288), (408, 163877), (476, 140466), (492, 135898), (571, 117096), (574, 116484), (697, 95928), (714, 93644), (861, 77656), (952, 70233), (984, 67949), (1142, 58548), (1148, 58242), (1394, 47964), (1428, 46822), (1713, 39032), (1722, 38828), (2091, 31976), (2284, 29274), (2296, 29121), (2788, 23982), (2856, 23411), (3426, 19516), (3444, 19414), (3997, 16728), (4182, 15988), (4568, 14637), (4879, 13704), (5576, 11991), (6852, 9758), (6888, 9707), (7994, 8364)]