221137566

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{46477}}^1$

素因数の和:46556

約数の個数: 32

約数和(自身を含む): 484114848

約数和(自身を除く): 262977282

約数列:

[1, 2, 3, 6, 13, 26, 39, 61, 78, 122, 183, 366, 793, 1586, 2379, 4758, 46477, 92954, 139431, 278862, 604201, 1208402, 1812603, 2835097, 3625206, 5670194, 8505291, 17010582, 36856261, 73712522, 110568783, 221137566]

約数ペア:

[(1, 221137566), (2, 110568783), (3, 73712522), (6, 36856261), (13, 17010582), (26, 8505291), (39, 5670194), (61, 3625206), (78, 2835097), (122, 1812603), (183, 1208402), (366, 604201), (793, 278862), (1586, 139431), (2379, 92954), (4758, 46477)]