87588170

素因数分解:

$2^1\times 5^1\times {\mathrm{173}}^1\times {\mathrm{197}}^1\times {\mathrm{257}}^1$

素因数の和:634

約数の個数: 32

約数和(自身を含む): 159995088

約数和(自身を除く): 72406918

約数列:

[1, 2, 5, 10, 173, 197, 257, 346, 394, 514, 865, 985, 1285, 1730, 1970, 2570, 34081, 44461, 50629, 68162, 88922, 101258, 170405, 222305, 253145, 340810, 444610, 506290, 8758817, 17517634, 43794085, 87588170]

約数ペア:

[(1, 87588170), (2, 43794085), (5, 17517634), (10, 8758817), (173, 506290), (197, 444610), (257, 340810), (346, 253145), (394, 222305), (514, 170405), (865, 101258), (985, 88922), (1285, 68162), (1730, 50629), (1970, 44461), (2570, 34081)]