1262456

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1$

素因数の和:279

約数の個数: 32

約数和(自身を含む): 2604000

約数和(自身を除く): 1341544

約数列:

[1, 2, 4, 8, 13, 26, 52, 61, 104, 122, 199, 244, 398, 488, 793, 796, 1586, 1592, 2587, 3172, 5174, 6344, 10348, 12139, 20696, 24278, 48556, 97112, 157807, 315614, 631228, 1262456]

約数ペア:

[(1, 1262456), (2, 631228), (4, 315614), (8, 157807), (13, 97112), (26, 48556), (52, 24278), (61, 20696), (104, 12139), (122, 10348), (199, 6344), (244, 5174), (398, 3172), (488, 2587), (793, 1592), (796, 1586)]