68947216

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{503}}^1\times {\mathrm{659}}^1$

素因数の和:1183

約数の個数: 40

約数和(自身を含む): 144365760

約数和(自身を除く): 75418544

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 503, 659, 1006, 1318, 2012, 2636, 4024, 5272, 6539, 8048, 8567, 10544, 13078, 17134, 26156, 34268, 52312, 68536, 104624, 137072, 331477, 662954, 1325908, 2651816, 4309201, 5303632, 8618402, 17236804, 34473608, 68947216]

約数ペア:

[(1, 68947216), (2, 34473608), (4, 17236804), (8, 8618402), (13, 5303632), (16, 4309201), (26, 2651816), (52, 1325908), (104, 662954), (208, 331477), (503, 137072), (659, 104624), (1006, 68536), (1318, 52312), (2012, 34268), (2636, 26156), (4024, 17134), (5272, 13078), (6539, 10544), (8048, 8567)]