258697790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{2791}}^1$

素因数の和:2865

約数の個数: 64

約数和(自身を含む): 540352512

約数和(自身を除く): 281654722

約数列:

[1, 2, 5, 10, 13, 23, 26, 31, 46, 62, 65, 115, 130, 155, 230, 299, 310, 403, 598, 713, 806, 1426, 1495, 2015, 2791, 2990, 3565, 4030, 5582, 7130, 9269, 13955, 18538, 27910, 36283, 46345, 64193, 72566, 86521, 92690, 128386, 173042, 181415, 320965, 362830, 432605, 641930, 834509, 865210, 1124773, 1669018, 1989983, 2249546, 3979966, 4172545, 5623865, 8345090, 9949915, 11247730, 19899830, 25869779, 51739558, 129348895, 258697790]

約数ペア:

[(1, 258697790), (2, 129348895), (5, 51739558), (10, 25869779), (13, 19899830), (23, 11247730), (26, 9949915), (31, 8345090), (46, 5623865), (62, 4172545), (65, 3979966), (115, 2249546), (130, 1989983), (155, 1669018), (230, 1124773), (299, 865210), (310, 834509), (403, 641930), (598, 432605), (713, 362830), (806, 320965), (1426, 181415), (1495, 173042), (2015, 128386), (2791, 92690), (2990, 86521), (3565, 72566), (4030, 64193), (5582, 46345), (7130, 36283), (9269, 27910), (13955, 18538)]