77262778

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{491}}^1$

素因数の和:654

約数の個数: 32

約数和(自身を含む): 126463680

約数和(自身を除く): 49200902

約数列:

[1, 2, 19, 38, 41, 82, 101, 202, 491, 779, 982, 1558, 1919, 3838, 4141, 8282, 9329, 18658, 20131, 40262, 49591, 78679, 99182, 157358, 382489, 764978, 942229, 1884458, 2033231, 4066462, 38631389, 77262778]

約数ペア:

[(1, 77262778), (2, 38631389), (19, 4066462), (38, 2033231), (41, 1884458), (82, 942229), (101, 764978), (202, 382489), (491, 157358), (779, 99182), (982, 78679), (1558, 49591), (1919, 40262), (3838, 20131), (4141, 18658), (8282, 9329)]