664253278

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{491}}^1\times {\mathrm{853}}^1$

素因数の和:1420

約数の個数: 32

約数和(自身を含む): 1094117472

約数和(自身を除く): 429864194

約数列:

[1, 2, 13, 26, 61, 122, 491, 793, 853, 982, 1586, 1706, 6383, 11089, 12766, 22178, 29951, 52033, 59902, 104066, 389363, 418823, 676429, 778726, 837646, 1352858, 5444699, 10889398, 25548203, 51096406, 332126639, 664253278]

約数ペア:

[(1, 664253278), (2, 332126639), (13, 51096406), (26, 25548203), (61, 10889398), (122, 5444699), (491, 1352858), (793, 837646), (853, 778726), (982, 676429), (1586, 418823), (1706, 389363), (6383, 104066), (11089, 59902), (12766, 52033), (22178, 29951)]