1888578718

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{113}}^1\times {\mathrm{197}}^1\times {\mathrm{251}}^1$

素因数の和:589

約数の個数: 48

約数和(自身を含む): 3122791056

約数和(自身を除く): 1234212338

約数列:

[1, 2, 13, 26, 113, 169, 197, 226, 251, 338, 394, 502, 1469, 2561, 2938, 3263, 5122, 6526, 19097, 22261, 28363, 33293, 38194, 42419, 44522, 49447, 56726, 66586, 84838, 98894, 289393, 368719, 578786, 642811, 737438, 1285622, 3762109, 4793347, 5587511, 7524218, 8356543, 9586694, 11175022, 16713086, 72637643, 145275286, 944289359, 1888578718]

約数ペア:

[(1, 1888578718), (2, 944289359), (13, 145275286), (26, 72637643), (113, 16713086), (169, 11175022), (197, 9586694), (226, 8356543), (251, 7524218), (338, 5587511), (394, 4793347), (502, 3762109), (1469, 1285622), (2561, 737438), (2938, 642811), (3263, 578786), (5122, 368719), (6526, 289393), (19097, 98894), (22261, 84838), (28363, 66586), (33293, 56726), (38194, 49447), (42419, 44522)]