281043958

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{317}}^1$

素因数の和:449

約数の個数: 48

約数和(自身を含む): 476259696

約数和(自身を除く): 195215738

約数列:

[1, 2, 13, 26, 43, 61, 86, 122, 169, 317, 338, 559, 634, 793, 1118, 1586, 2623, 4121, 5246, 7267, 8242, 10309, 13631, 14534, 19337, 20618, 27262, 34099, 38674, 53573, 68198, 107146, 177203, 251381, 354406, 443287, 502762, 831491, 886574, 1662982, 2303639, 3267953, 4607278, 6535906, 10809383, 21618766, 140521979, 281043958]

約数ペア:

[(1, 281043958), (2, 140521979), (13, 21618766), (26, 10809383), (43, 6535906), (61, 4607278), (86, 3267953), (122, 2303639), (169, 1662982), (317, 886574), (338, 831491), (559, 502762), (634, 443287), (793, 354406), (1118, 251381), (1586, 177203), (2623, 107146), (4121, 68198), (5246, 53573), (7267, 38674), (8242, 34099), (10309, 27262), (13631, 20618), (14534, 19337)]