208835515

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{4397}}^1$

素因数の和:4491

約数の個数: 32

約数和(自身を含む): 303989760

約数和(自身を除く): 95154245

約数列:

[1, 5, 7, 23, 35, 59, 115, 161, 295, 413, 805, 1357, 2065, 4397, 6785, 9499, 21985, 30779, 47495, 101131, 153895, 259423, 505655, 707917, 1297115, 1815961, 3539585, 5966729, 9079805, 29833645, 41767103, 208835515]

約数ペア:

[(1, 208835515), (5, 41767103), (7, 29833645), (23, 9079805), (35, 5966729), (59, 3539585), (115, 1815961), (161, 1297115), (295, 707917), (413, 505655), (805, 259423), (1357, 153895), (2065, 101131), (4397, 47495), (6785, 30779), (9499, 21985)]