78728902

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{283}}^1\times {\mathrm{641}}^1$

素因数の和:964

約数の個数: 32

約数和(自身を含む): 140027904

約数和(自身を除く): 61299002

約数列:

[1, 2, 7, 14, 31, 62, 217, 283, 434, 566, 641, 1282, 1981, 3962, 4487, 8773, 8974, 17546, 19871, 39742, 61411, 122822, 139097, 181403, 278194, 362806, 1269821, 2539642, 5623493, 11246986, 39364451, 78728902]

約数ペア:

[(1, 78728902), (2, 39364451), (7, 11246986), (14, 5623493), (31, 2539642), (62, 1269821), (217, 362806), (283, 278194), (434, 181403), (566, 139097), (641, 122822), (1282, 61411), (1981, 39742), (3962, 19871), (4487, 17546), (8773, 8974)]