64721488

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{5101}}^1$

素因数の和:5183

約数の個数: 40

約数和(自身を含む): 137284616

約数和(自身を除く): 72563128

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 61, 104, 122, 208, 244, 488, 793, 976, 1586, 3172, 5101, 6344, 10202, 12688, 20404, 40808, 66313, 81616, 132626, 265252, 311161, 530504, 622322, 1061008, 1244644, 2489288, 4045093, 4978576, 8090186, 16180372, 32360744, 64721488]

約数ペア:

[(1, 64721488), (2, 32360744), (4, 16180372), (8, 8090186), (13, 4978576), (16, 4045093), (26, 2489288), (52, 1244644), (61, 1061008), (104, 622322), (122, 530504), (208, 311161), (244, 265252), (488, 132626), (793, 81616), (976, 66313), (1586, 40808), (3172, 20404), (5101, 12688), (6344, 10202)]