215464688

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{257}}^1\times {\mathrm{859}}^1$

素因数の和:1185

約数の個数: 40

約数和(自身を含む): 426453360

約数和(自身を除く): 210988672

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 257, 488, 514, 859, 976, 1028, 1718, 2056, 3436, 4112, 6872, 13744, 15677, 31354, 52399, 62708, 104798, 125416, 209596, 220763, 250832, 419192, 441526, 838384, 883052, 1766104, 3532208, 13466543, 26933086, 53866172, 107732344, 215464688]

約数ペア:

[(1, 215464688), (2, 107732344), (4, 53866172), (8, 26933086), (16, 13466543), (61, 3532208), (122, 1766104), (244, 883052), (257, 838384), (488, 441526), (514, 419192), (859, 250832), (976, 220763), (1028, 209596), (1718, 125416), (2056, 104798), (3436, 62708), (4112, 52399), (6872, 31354), (13744, 15677)]