980720615

素因数分解:

$5^1\times 7^1\times {\mathrm{41}}^2\times {\mathrm{79}}^1\times {\mathrm{211}}^1$

素因数の和:384

約数の個数: 48

約数和(自身を含む): 1402659840

約数和(自身を除く): 421939225

約数列:

[1, 5, 7, 35, 41, 79, 205, 211, 287, 395, 553, 1055, 1435, 1477, 1681, 2765, 3239, 7385, 8405, 8651, 11767, 16195, 16669, 22673, 43255, 58835, 60557, 83345, 113365, 116683, 132799, 302785, 354691, 583415, 663995, 683429, 929593, 1773455, 2482837, 3417145, 4647965, 4784003, 12414185, 23920015, 28020589, 140102945, 196144123, 980720615]

約数ペア:

[(1, 980720615), (5, 196144123), (7, 140102945), (35, 28020589), (41, 23920015), (79, 12414185), (205, 4784003), (211, 4647965), (287, 3417145), (395, 2482837), (553, 1773455), (1055, 929593), (1435, 683429), (1477, 663995), (1681, 583415), (2765, 354691), (3239, 302785), (7385, 132799), (8405, 116683), (8651, 113365), (11767, 83345), (16195, 60557), (16669, 58835), (22673, 43255)]