818061290

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{593}}^1$

素因数の和:767

約数の個数: 64

約数和(自身を含む): 1570440960

約数和(自身を除く): 752379670

約数列:

[1, 2, 5, 10, 29, 58, 67, 71, 134, 142, 145, 290, 335, 355, 593, 670, 710, 1186, 1943, 2059, 2965, 3886, 4118, 4757, 5930, 9514, 9715, 10295, 17197, 19430, 20590, 23785, 34394, 39731, 42103, 47570, 79462, 84206, 85985, 137953, 171970, 198655, 210515, 275906, 397310, 421030, 689765, 1152199, 1220987, 1379530, 2304398, 2441974, 2820901, 5641802, 5760995, 6104935, 11521990, 12209870, 14104505, 28209010, 81806129, 163612258, 409030645, 818061290]

約数ペア:

[(1, 818061290), (2, 409030645), (5, 163612258), (10, 81806129), (29, 28209010), (58, 14104505), (67, 12209870), (71, 11521990), (134, 6104935), (142, 5760995), (145, 5641802), (290, 2820901), (335, 2441974), (355, 2304398), (593, 1379530), (670, 1220987), (710, 1152199), (1186, 689765), (1943, 421030), (2059, 397310), (2965, 275906), (3886, 210515), (4118, 198655), (4757, 171970), (5930, 137953), (9514, 85985), (9715, 84206), (10295, 79462), (17197, 47570), (19430, 42103), (20590, 39731), (23785, 34394)]