1978778886

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{35081}}^1$

素因数の和:35189

約数の個数: 64

約数和(自身を含む): 4849735680

約数和(自身を除く): 2870956794

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 51, 79, 102, 119, 158, 237, 238, 357, 474, 553, 714, 1106, 1343, 1659, 2686, 3318, 4029, 8058, 9401, 18802, 28203, 35081, 56406, 70162, 105243, 210486, 245567, 491134, 596377, 736701, 1192754, 1473402, 1789131, 2771399, 3578262, 4174639, 5542798, 8314197, 8349278, 12523917, 16628394, 19399793, 25047834, 38799586, 47113783, 58199379, 94227566, 116398758, 141341349, 282682698, 329796481, 659592962, 989389443, 1978778886]

約数ペア:

[(1, 1978778886), (2, 989389443), (3, 659592962), (6, 329796481), (7, 282682698), (14, 141341349), (17, 116398758), (21, 94227566), (34, 58199379), (42, 47113783), (51, 38799586), (79, 25047834), (102, 19399793), (119, 16628394), (158, 12523917), (237, 8349278), (238, 8314197), (357, 5542798), (474, 4174639), (553, 3578262), (714, 2771399), (1106, 1789131), (1343, 1473402), (1659, 1192754), (2686, 736701), (3318, 596377), (4029, 491134), (8058, 245567), (9401, 210486), (18802, 105243), (28203, 70162), (35081, 56406)]