28166008

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{179}}^1$

素因数の和:304

約数の個数: 64

約数和(自身を含む): 61236000

約数和(自身を除く): 33069992

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 89, 104, 136, 178, 179, 221, 356, 358, 442, 712, 716, 884, 1157, 1432, 1513, 1768, 2314, 2327, 3026, 3043, 4628, 4654, 6052, 6086, 9256, 9308, 12104, 12172, 15931, 18616, 19669, 24344, 31862, 39338, 39559, 63724, 78676, 79118, 127448, 157352, 158236, 207103, 270827, 316472, 414206, 541654, 828412, 1083308, 1656824, 2166616, 3520751, 7041502, 14083004, 28166008]

約数ペア:

[(1, 28166008), (2, 14083004), (4, 7041502), (8, 3520751), (13, 2166616), (17, 1656824), (26, 1083308), (34, 828412), (52, 541654), (68, 414206), (89, 316472), (104, 270827), (136, 207103), (178, 158236), (179, 157352), (221, 127448), (356, 79118), (358, 78676), (442, 63724), (712, 39559), (716, 39338), (884, 31862), (1157, 24344), (1432, 19669), (1513, 18616), (1768, 15931), (2314, 12172), (2327, 12104), (3026, 9308), (3043, 9256), (4628, 6086), (4654, 6052)]