1640563964

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{8737}}^1$

素因数の和:8934

約数の個数: 48

約数和(自身を含む): 3247180608

約数和(自身を除く): 1606616644

約数列:

[1, 2, 4, 13, 23, 26, 46, 52, 92, 157, 299, 314, 598, 628, 1196, 2041, 3611, 4082, 7222, 8164, 8737, 14444, 17474, 34948, 46943, 93886, 113581, 187772, 200951, 227162, 401902, 454324, 803804, 1371709, 2612363, 2743418, 5224726, 5486836, 10449452, 17832217, 31549307, 35664434, 63098614, 71328868, 126197228, 410140991, 820281982, 1640563964]

約数ペア:

[(1, 1640563964), (2, 820281982), (4, 410140991), (13, 126197228), (23, 71328868), (26, 63098614), (46, 35664434), (52, 31549307), (92, 17832217), (157, 10449452), (299, 5486836), (314, 5224726), (598, 2743418), (628, 2612363), (1196, 1371709), (2041, 803804), (3611, 454324), (4082, 401902), (7222, 227162), (8164, 200951), (8737, 187772), (14444, 113581), (17474, 93886), (34948, 46943)]