78978536

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{691}}^1$

素因数の和:874

約数の個数: 64

約数和(自身を含む): 183684480

約数和(自身を除く): 104705944

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 157, 182, 314, 364, 628, 691, 728, 1099, 1256, 1382, 2041, 2198, 2764, 4082, 4396, 4837, 5528, 8164, 8792, 8983, 9674, 14287, 16328, 17966, 19348, 28574, 35932, 38696, 57148, 62881, 71864, 108487, 114296, 125762, 216974, 251524, 433948, 503048, 759409, 867896, 1410331, 1518818, 2820662, 3037636, 5641324, 6075272, 9872317, 11282648, 19744634, 39489268, 78978536]

約数ペア:

[(1, 78978536), (2, 39489268), (4, 19744634), (7, 11282648), (8, 9872317), (13, 6075272), (14, 5641324), (26, 3037636), (28, 2820662), (52, 1518818), (56, 1410331), (91, 867896), (104, 759409), (157, 503048), (182, 433948), (314, 251524), (364, 216974), (628, 125762), (691, 114296), (728, 108487), (1099, 71864), (1256, 62881), (1382, 57148), (2041, 38696), (2198, 35932), (2764, 28574), (4082, 19348), (4396, 17966), (4837, 16328), (5528, 14287), (8164, 9674), (8792, 8983)]