221517596

素因数分解:

$2^2\times {\mathrm{43}}^2\times {\mathrm{61}}^1\times {\mathrm{491}}^1$

素因数の和:642

約数の個数: 36

約数和(自身を含む): 404208504

約数和(自身を除く): 182690908

約数列:

[1, 2, 4, 43, 61, 86, 122, 172, 244, 491, 982, 1849, 1964, 2623, 3698, 5246, 7396, 10492, 21113, 29951, 42226, 59902, 84452, 112789, 119804, 225578, 451156, 907859, 1287893, 1815718, 2575786, 3631436, 5151572, 55379399, 110758798, 221517596]

約数ペア:

[(1, 221517596), (2, 110758798), (4, 55379399), (43, 5151572), (61, 3631436), (86, 2575786), (122, 1815718), (172, 1287893), (244, 907859), (491, 451156), (982, 225578), (1849, 119804), (1964, 112789), (2623, 84452), (3698, 59902), (5246, 42226), (7396, 29951), (10492, 21113)]