81273948

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{2063}}^1$

素因数の和:2151

約数の個数: 72

約数和(自身を含む): 224001792

約数和(自身を除く): 142727844

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 67, 84, 98, 134, 147, 196, 201, 268, 294, 402, 469, 588, 804, 938, 1407, 1876, 2063, 2814, 3283, 4126, 5628, 6189, 6566, 8252, 9849, 12378, 13132, 14441, 19698, 24756, 28882, 39396, 43323, 57764, 86646, 101087, 138221, 173292, 202174, 276442, 303261, 404348, 414663, 552884, 606522, 829326, 967547, 1213044, 1658652, 1935094, 2902641, 3870188, 5805282, 6772829, 11610564, 13545658, 20318487, 27091316, 40636974, 81273948]

約数ペア:

[(1, 81273948), (2, 40636974), (3, 27091316), (4, 20318487), (6, 13545658), (7, 11610564), (12, 6772829), (14, 5805282), (21, 3870188), (28, 2902641), (42, 1935094), (49, 1658652), (67, 1213044), (84, 967547), (98, 829326), (134, 606522), (147, 552884), (196, 414663), (201, 404348), (268, 303261), (294, 276442), (402, 202174), (469, 173292), (588, 138221), (804, 101087), (938, 86646), (1407, 57764), (1876, 43323), (2063, 39396), (2814, 28882), (3283, 24756), (4126, 19698), (5628, 14441), (6189, 13132), (6566, 12378), (8252, 9849)]