15520304

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{401}}^1$

素因数の和:509

約数の個数: 40

約数和(自身を含む): 31404240

約数和(自身を除く): 15883936

約数列:

[1, 2, 4, 8, 16, 41, 59, 82, 118, 164, 236, 328, 401, 472, 656, 802, 944, 1604, 2419, 3208, 4838, 6416, 9676, 16441, 19352, 23659, 32882, 38704, 47318, 65764, 94636, 131528, 189272, 263056, 378544, 970019, 1940038, 3880076, 7760152, 15520304]

約数ペア:

[(1, 15520304), (2, 7760152), (4, 3880076), (8, 1940038), (16, 970019), (41, 378544), (59, 263056), (82, 189272), (118, 131528), (164, 94636), (236, 65764), (328, 47318), (401, 38704), (472, 32882), (656, 23659), (802, 19352), (944, 16441), (1604, 9676), (2419, 6416), (3208, 4838)]