691170016

素因数分解:

$2^5\times {\mathrm{61}}^1\times {\mathrm{401}}^1\times {\mathrm{883}}^1$

素因数の和:1355

約数の個数: 48

約数和(自身を含む): 1388067408

約数和(自身を除く): 696897392

約数列:

[1, 2, 4, 8, 16, 32, 61, 122, 244, 401, 488, 802, 883, 976, 1604, 1766, 1952, 3208, 3532, 6416, 7064, 12832, 14128, 24461, 28256, 48922, 53863, 97844, 107726, 195688, 215452, 354083, 391376, 430904, 708166, 782752, 861808, 1416332, 1723616, 2832664, 5665328, 11330656, 21599063, 43198126, 86396252, 172792504, 345585008, 691170016]

約数ペア:

[(1, 691170016), (2, 345585008), (4, 172792504), (8, 86396252), (16, 43198126), (32, 21599063), (61, 11330656), (122, 5665328), (244, 2832664), (401, 1723616), (488, 1416332), (802, 861808), (883, 782752), (976, 708166), (1604, 430904), (1766, 391376), (1952, 354083), (3208, 215452), (3532, 195688), (6416, 107726), (7064, 97844), (12832, 53863), (14128, 48922), (24461, 28256)]