157542016

素因数分解:

$2^7\times {\mathrm{61}}^1\times {\mathrm{20177}}^1$

素因数の和:20252

約数の個数: 32

約数和(自身を含む): 319014180

約数和(自身を除く): 161472164

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 122, 128, 244, 488, 976, 1952, 3904, 7808, 20177, 40354, 80708, 161416, 322832, 645664, 1230797, 1291328, 2461594, 2582656, 4923188, 9846376, 19692752, 39385504, 78771008, 157542016]

約数ペア:

[(1, 157542016), (2, 78771008), (4, 39385504), (8, 19692752), (16, 9846376), (32, 4923188), (61, 2582656), (64, 2461594), (122, 1291328), (128, 1230797), (244, 645664), (488, 322832), (976, 161416), (1952, 80708), (3904, 40354), (7808, 20177)]