78921948

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{1699}}^1$

素因数の和:1799

約数の個数: 72

約数和(自身を含む): 217056000

約数和(自身を除く): 138134052

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 79, 84, 98, 147, 158, 196, 237, 294, 316, 474, 553, 588, 948, 1106, 1659, 1699, 2212, 3318, 3398, 3871, 5097, 6636, 6796, 7742, 10194, 11613, 11893, 15484, 20388, 23226, 23786, 35679, 46452, 47572, 71358, 83251, 134221, 142716, 166502, 249753, 268442, 333004, 402663, 499506, 536884, 805326, 939547, 999012, 1610652, 1879094, 2818641, 3758188, 5637282, 6576829, 11274564, 13153658, 19730487, 26307316, 39460974, 78921948]

約数ペア:

[(1, 78921948), (2, 39460974), (3, 26307316), (4, 19730487), (6, 13153658), (7, 11274564), (12, 6576829), (14, 5637282), (21, 3758188), (28, 2818641), (42, 1879094), (49, 1610652), (79, 999012), (84, 939547), (98, 805326), (147, 536884), (158, 499506), (196, 402663), (237, 333004), (294, 268442), (316, 249753), (474, 166502), (553, 142716), (588, 134221), (948, 83251), (1106, 71358), (1659, 47572), (1699, 46452), (2212, 35679), (3318, 23786), (3398, 23226), (3871, 20388), (5097, 15484), (6636, 11893), (6796, 11613), (7742, 10194)]