385424

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1$

素因数の和:147

約数の個数: 40

約数和(自身を含む): 859320

約数和(自身を除く): 473896

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 109, 136, 208, 218, 221, 272, 436, 442, 872, 884, 1417, 1744, 1768, 1853, 2834, 3536, 3706, 5668, 7412, 11336, 14824, 22672, 24089, 29648, 48178, 96356, 192712, 385424]

約数ペア:

[(1, 385424), (2, 192712), (4, 96356), (8, 48178), (13, 29648), (16, 24089), (17, 22672), (26, 14824), (34, 11336), (52, 7412), (68, 5668), (104, 3706), (109, 3536), (136, 2834), (208, 1853), (218, 1768), (221, 1744), (272, 1417), (436, 884), (442, 872)]