128515044

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{3583}}^1$

素因数の和:3665

約数の個数: 72

約数和(自身を含む): 354643968

約数和(自身を除く): 226128924

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 61, 84, 98, 122, 147, 183, 196, 244, 294, 366, 427, 588, 732, 854, 1281, 1708, 2562, 2989, 3583, 5124, 5978, 7166, 8967, 10749, 11956, 14332, 17934, 21498, 25081, 35868, 42996, 50162, 75243, 100324, 150486, 175567, 218563, 300972, 351134, 437126, 526701, 655689, 702268, 874252, 1053402, 1311378, 1529941, 2106804, 2622756, 3059882, 4589823, 6119764, 9179646, 10709587, 18359292, 21419174, 32128761, 42838348, 64257522, 128515044]

約数ペア:

[(1, 128515044), (2, 64257522), (3, 42838348), (4, 32128761), (6, 21419174), (7, 18359292), (12, 10709587), (14, 9179646), (21, 6119764), (28, 4589823), (42, 3059882), (49, 2622756), (61, 2106804), (84, 1529941), (98, 1311378), (122, 1053402), (147, 874252), (183, 702268), (196, 655689), (244, 526701), (294, 437126), (366, 351134), (427, 300972), (588, 218563), (732, 175567), (854, 150486), (1281, 100324), (1708, 75243), (2562, 50162), (2989, 42996), (3583, 35868), (5124, 25081), (5978, 21498), (7166, 17934), (8967, 14332), (10749, 11956)]