81002168

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{40993}}^1$

素因数の和:41031

約数の個数: 32

約数和(自身を含む): 172174800

約数和(自身を除く): 91172632

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 40993, 81986, 163972, 327944, 532909, 778867, 1065818, 1557734, 2131636, 3115468, 4263272, 6230936, 10125271, 20250542, 40501084, 81002168]

約数ペア:

[(1, 81002168), (2, 40501084), (4, 20250542), (8, 10125271), (13, 6230936), (19, 4263272), (26, 3115468), (38, 2131636), (52, 1557734), (76, 1065818), (104, 778867), (152, 532909), (247, 327944), (494, 163972), (988, 81986), (1976, 40993)]