971884418

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{239}}^1\times {\mathrm{491}}^1$

素因数の和:874

約数の個数: 32

約数和(自身を含む): 1517564160

約数和(自身を除く): 545679742

約数列:

[1, 2, 41, 82, 101, 202, 239, 478, 491, 982, 4141, 8282, 9799, 19598, 20131, 24139, 40262, 48278, 49591, 99182, 117349, 234698, 989699, 1979398, 2033231, 4066462, 4811309, 9622618, 11852249, 23704498, 485942209, 971884418]

約数ペア:

[(1, 971884418), (2, 485942209), (41, 23704498), (82, 11852249), (101, 9622618), (202, 4811309), (239, 4066462), (478, 2033231), (491, 1979398), (982, 989699), (4141, 234698), (8282, 117349), (9799, 99182), (19598, 49591), (20131, 48278), (24139, 40262)]