77871808

素因数分解:

$2^6\times 7^1\times {\mathrm{101}}^1\times {\mathrm{1721}}^1$

素因数の和:1841

約数の個数: 56

約数和(自身を含む): 178454304

約数和(自身を除く): 100582496

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 101, 112, 202, 224, 404, 448, 707, 808, 1414, 1616, 1721, 2828, 3232, 3442, 5656, 6464, 6884, 11312, 12047, 13768, 22624, 24094, 27536, 45248, 48188, 55072, 96376, 110144, 173821, 192752, 347642, 385504, 695284, 771008, 1216747, 1390568, 2433494, 2781136, 4866988, 5562272, 9733976, 11124544, 19467952, 38935904, 77871808]

約数ペア:

[(1, 77871808), (2, 38935904), (4, 19467952), (7, 11124544), (8, 9733976), (14, 5562272), (16, 4866988), (28, 2781136), (32, 2433494), (56, 1390568), (64, 1216747), (101, 771008), (112, 695284), (202, 385504), (224, 347642), (404, 192752), (448, 173821), (707, 110144), (808, 96376), (1414, 55072), (1616, 48188), (1721, 45248), (2828, 27536), (3232, 24094), (3442, 22624), (5656, 13768), (6464, 12047), (6884, 11312)]