25393992

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{409}}^1$

素因数の和:630

約数の個数: 64

約数和(自身を含む): 68880000

約数和(自身を除く): 43486008

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 199, 312, 398, 409, 597, 796, 818, 1194, 1227, 1592, 1636, 2388, 2454, 2587, 3272, 4776, 4908, 5174, 5317, 7761, 9816, 10348, 10634, 15522, 15951, 20696, 21268, 31044, 31902, 42536, 62088, 63804, 81391, 127608, 162782, 244173, 325564, 488346, 651128, 976692, 1058083, 1953384, 2116166, 3174249, 4232332, 6348498, 8464664, 12696996, 25393992]

約数ペア:

[(1, 25393992), (2, 12696996), (3, 8464664), (4, 6348498), (6, 4232332), (8, 3174249), (12, 2116166), (13, 1953384), (24, 1058083), (26, 976692), (39, 651128), (52, 488346), (78, 325564), (104, 244173), (156, 162782), (199, 127608), (312, 81391), (398, 63804), (409, 62088), (597, 42536), (796, 31902), (818, 31044), (1194, 21268), (1227, 20696), (1592, 15951), (1636, 15522), (2388, 10634), (2454, 10348), (2587, 9816), (3272, 7761), (4776, 5317), (4908, 5174)]