646172930

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{55849}}^1$

素因数の和:55958

約数の個数: 32

約数和(自身を含む): 1266678000

約数和(自身を除く): 620505070

約数列:

[1, 2, 5, 10, 13, 26, 65, 89, 130, 178, 445, 890, 1157, 2314, 5785, 11570, 55849, 111698, 279245, 558490, 726037, 1452074, 3630185, 4970561, 7260370, 9941122, 24852805, 49705610, 64617293, 129234586, 323086465, 646172930]

約数ペア:

[(1, 646172930), (2, 323086465), (5, 129234586), (10, 64617293), (13, 49705610), (26, 24852805), (65, 9941122), (89, 7260370), (130, 4970561), (178, 3630185), (445, 1452074), (890, 726037), (1157, 558490), (2314, 279245), (5785, 111698), (11570, 55849)]