1265888

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1$

素因数の和:219

約数の個数: 48

約数和(自身を含む): 2857680

約数和(自身を除く): 1591792

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 68, 104, 136, 179, 208, 221, 272, 358, 416, 442, 544, 716, 884, 1432, 1768, 2327, 2864, 3043, 3536, 4654, 5728, 6086, 7072, 9308, 12172, 18616, 24344, 37232, 39559, 48688, 74464, 79118, 97376, 158236, 316472, 632944, 1265888]

約数ペア:

[(1, 1265888), (2, 632944), (4, 316472), (8, 158236), (13, 97376), (16, 79118), (17, 74464), (26, 48688), (32, 39559), (34, 37232), (52, 24344), (68, 18616), (104, 12172), (136, 9308), (179, 7072), (208, 6086), (221, 5728), (272, 4654), (358, 3536), (416, 3043), (442, 2864), (544, 2327), (716, 1768), (884, 1432)]