697012490

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1\times {\mathrm{4073}}^1$

素因数の和:4346

約数の個数: 32

約数和(自身を含む): 1274510160

約数和(自身を除く): 577497670

約数列:

[1, 2, 5, 10, 109, 157, 218, 314, 545, 785, 1090, 1570, 4073, 8146, 17113, 20365, 34226, 40730, 85565, 171130, 443957, 639461, 887914, 1278922, 2219785, 3197305, 4439570, 6394610, 69701249, 139402498, 348506245, 697012490]

約数ペア:

[(1, 697012490), (2, 348506245), (5, 139402498), (10, 69701249), (109, 6394610), (157, 4439570), (218, 3197305), (314, 2219785), (545, 1278922), (785, 887914), (1090, 639461), (1570, 443957), (4073, 171130), (8146, 85565), (17113, 40730), (20365, 34226)]