817622890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{211}}^1\times {\mathrm{281}}^1$

素因数の和:703

約数の個数: 64

約数和(自身を含む): 1704561408

約数和(自身を除く): 886938518

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 197, 211, 281, 394, 422, 562, 985, 1055, 1379, 1405, 1477, 1967, 1970, 2110, 2758, 2810, 2954, 3934, 6895, 7385, 9835, 13790, 14770, 19670, 41567, 55357, 59291, 83134, 110714, 118582, 207835, 276785, 290969, 296455, 387499, 415037, 415670, 553570, 581938, 592910, 774998, 830074, 1454845, 1937495, 2075185, 2909690, 3874990, 4150370, 11680327, 23360654, 58401635, 81762289, 116803270, 163524578, 408811445, 817622890]

約数ペア:

[(1, 817622890), (2, 408811445), (5, 163524578), (7, 116803270), (10, 81762289), (14, 58401635), (35, 23360654), (70, 11680327), (197, 4150370), (211, 3874990), (281, 2909690), (394, 2075185), (422, 1937495), (562, 1454845), (985, 830074), (1055, 774998), (1379, 592910), (1405, 581938), (1477, 553570), (1967, 415670), (1970, 415037), (2110, 387499), (2758, 296455), (2810, 290969), (2954, 276785), (3934, 207835), (6895, 118582), (7385, 110714), (9835, 83134), (13790, 59291), (14770, 55357), (19670, 41567)]