64720994

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{1361}}^1$

素因数の和:1466

約数の個数: 32

約数和(自身を含む): 109831680

約数和(自身を除く): 45110686

約数列:

[1, 2, 13, 26, 31, 59, 62, 118, 403, 767, 806, 1361, 1534, 1829, 2722, 3658, 17693, 23777, 35386, 42191, 47554, 80299, 84382, 160598, 548483, 1043887, 1096966, 2087774, 2489269, 4978538, 32360497, 64720994]

約数ペア:

[(1, 64720994), (2, 32360497), (13, 4978538), (26, 2489269), (31, 2087774), (59, 1096966), (62, 1043887), (118, 548483), (403, 160598), (767, 84382), (806, 80299), (1361, 47554), (1534, 42191), (1829, 35386), (2722, 23777), (3658, 17693)]