31313048

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1$

素因数の和:324

約数の個数: 64

約数和(自身を含む): 68040000

約数和(自身を除く): 36726952

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 89, 104, 136, 178, 199, 221, 356, 398, 442, 712, 796, 884, 1157, 1513, 1592, 1768, 2314, 2587, 3026, 3383, 4628, 5174, 6052, 6766, 9256, 10348, 12104, 13532, 17711, 19669, 20696, 27064, 35422, 39338, 43979, 70844, 78676, 87958, 141688, 157352, 175916, 230243, 301087, 351832, 460486, 602174, 920972, 1204348, 1841944, 2408696, 3914131, 7828262, 15656524, 31313048]

約数ペア:

[(1, 31313048), (2, 15656524), (4, 7828262), (8, 3914131), (13, 2408696), (17, 1841944), (26, 1204348), (34, 920972), (52, 602174), (68, 460486), (89, 351832), (104, 301087), (136, 230243), (178, 175916), (199, 157352), (221, 141688), (356, 87958), (398, 78676), (442, 70844), (712, 43979), (796, 39338), (884, 35422), (1157, 27064), (1513, 20696), (1592, 19669), (1768, 17711), (2314, 13532), (2587, 12104), (3026, 10348), (3383, 9256), (4628, 6766), (5174, 6052)]