531211492

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{191}}^1\times {\mathrm{1399}}^1$

素因数の和:1672

約数の個数: 48

約数和(自身を含む): 1083801600

約数和(自身を除く): 552590108

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 191, 284, 382, 497, 764, 994, 1337, 1399, 1988, 2674, 2798, 5348, 5596, 9793, 13561, 19586, 27122, 39172, 54244, 94927, 99329, 189854, 198658, 267209, 379708, 397316, 534418, 695303, 1068836, 1390606, 1870463, 2781212, 3740926, 7481852, 18971839, 37943678, 75887356, 132802873, 265605746, 531211492]

約数ペア:

[(1, 531211492), (2, 265605746), (4, 132802873), (7, 75887356), (14, 37943678), (28, 18971839), (71, 7481852), (142, 3740926), (191, 2781212), (284, 1870463), (382, 1390606), (497, 1068836), (764, 695303), (994, 534418), (1337, 397316), (1399, 379708), (1988, 267209), (2674, 198658), (2798, 189854), (5348, 99329), (5596, 94927), (9793, 54244), (13561, 39172), (19586, 27122)]