81709430

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{3331}}^1$

素因数の和:3572

約数の個数: 32

約数和(自身を含む): 161215488

約数和(自身を除く): 79506058

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 223, 446, 1115, 2230, 2453, 3331, 4906, 6662, 12265, 16655, 24530, 33310, 36641, 73282, 183205, 366410, 742813, 1485626, 3714065, 7428130, 8170943, 16341886, 40854715, 81709430]

約数ペア:

[(1, 81709430), (2, 40854715), (5, 16341886), (10, 8170943), (11, 7428130), (22, 3714065), (55, 1485626), (110, 742813), (223, 366410), (446, 183205), (1115, 73282), (2230, 36641), (2453, 33310), (3331, 24530), (4906, 16655), (6662, 12265)]