77978830

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{317}}^1\times {\mathrm{1447}}^1$

素因数の和:1788

約数の個数: 32

約数和(自身を含む): 149190336

約数和(自身を除く): 71211506

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 317, 634, 1447, 1585, 2894, 3170, 5389, 7235, 10778, 14470, 24599, 26945, 49198, 53890, 122995, 245990, 458699, 917398, 2293495, 4586990, 7797883, 15595766, 38989415, 77978830]

約数ペア:

[(1, 77978830), (2, 38989415), (5, 15595766), (10, 7797883), (17, 4586990), (34, 2293495), (85, 917398), (170, 458699), (317, 245990), (634, 122995), (1447, 53890), (1585, 49198), (2894, 26945), (3170, 24599), (5389, 14470), (7235, 10778)]