78983810

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{257}}^1\times {\mathrm{421}}^1$

素因数の和:758

約数の個数: 32

約数和(自身を含む): 145022832

約数和(自身を除く): 66039022

約数列:

[1, 2, 5, 10, 73, 146, 257, 365, 421, 514, 730, 842, 1285, 2105, 2570, 4210, 18761, 30733, 37522, 61466, 93805, 108197, 153665, 187610, 216394, 307330, 540985, 1081970, 7898381, 15796762, 39491905, 78983810]

約数ペア:

[(1, 78983810), (2, 39491905), (5, 15796762), (10, 7898381), (73, 1081970), (146, 540985), (257, 307330), (365, 216394), (421, 187610), (514, 153665), (730, 108197), (842, 93805), (1285, 61466), (2105, 37522), (2570, 30733), (4210, 18761)]