388374415

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{3001}}^1$

素因数の和:3211

約数の個数: 32

約数和(自身を含む): 550734912

約数和(自身を除く): 162360497

約数列:

[1, 5, 11, 13, 55, 65, 143, 181, 715, 905, 1991, 2353, 3001, 9955, 11765, 15005, 25883, 33011, 39013, 129415, 165055, 195065, 429143, 543181, 2145715, 2715905, 5974991, 7061353, 29874955, 35306765, 77674883, 388374415]

約数ペア:

[(1, 388374415), (5, 77674883), (11, 35306765), (13, 29874955), (55, 7061353), (65, 5974991), (143, 2715905), (181, 2145715), (715, 543181), (905, 429143), (1991, 195065), (2353, 165055), (3001, 129415), (9955, 39013), (11765, 33011), (15005, 25883)]