78609328

素因数分解:

$2^4\times 7^2\times {\mathrm{100267}}^1$

素因数の和:100289

約数の個数: 30

約数和(自身を含む): 177173556

約数和(自身を除く): 98564228

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 100267, 200534, 401068, 701869, 802136, 1403738, 1604272, 2807476, 4913083, 5614952, 9826166, 11229904, 19652332, 39304664, 78609328]

約数ペア:

[(1, 78609328), (2, 39304664), (4, 19652332), (7, 11229904), (8, 9826166), (14, 5614952), (16, 4913083), (28, 2807476), (49, 1604272), (56, 1403738), (98, 802136), (112, 701869), (196, 401068), (392, 200534), (784, 100267)]