39391726

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{197}}^1$

素因数の和:420

約数の個数: 32

約数和(自身を含む): 66290400

約数和(自身を除く): 26898674

約数列:

[1, 2, 11, 22, 61, 122, 149, 197, 298, 394, 671, 1342, 1639, 2167, 3278, 4334, 9089, 12017, 18178, 24034, 29353, 58706, 99979, 132187, 199958, 264374, 322883, 645766, 1790533, 3581066, 19695863, 39391726]

約数ペア:

[(1, 39391726), (2, 19695863), (11, 3581066), (22, 1790533), (61, 645766), (122, 322883), (149, 264374), (197, 199958), (298, 132187), (394, 99979), (671, 58706), (1342, 29353), (1639, 24034), (2167, 18178), (3278, 12017), (4334, 9089)]