25658984

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{631}}^1$

素因数の和:690

約数の個数: 64

約数和(自身を含む): 57335040

約数和(自身を除く): 31676056

約数列:

[1, 2, 4, 8, 13, 17, 23, 26, 34, 46, 52, 68, 92, 104, 136, 184, 221, 299, 391, 442, 598, 631, 782, 884, 1196, 1262, 1564, 1768, 2392, 2524, 3128, 5048, 5083, 8203, 10166, 10727, 14513, 16406, 20332, 21454, 29026, 32812, 40664, 42908, 58052, 65624, 85816, 116104, 139451, 188669, 246721, 278902, 377338, 493442, 557804, 754676, 986884, 1115608, 1509352, 1973768, 3207373, 6414746, 12829492, 25658984]

約数ペア:

[(1, 25658984), (2, 12829492), (4, 6414746), (8, 3207373), (13, 1973768), (17, 1509352), (23, 1115608), (26, 986884), (34, 754676), (46, 557804), (52, 493442), (68, 377338), (92, 278902), (104, 246721), (136, 188669), (184, 139451), (221, 116104), (299, 85816), (391, 65624), (442, 58052), (598, 42908), (631, 40664), (782, 32812), (884, 29026), (1196, 21454), (1262, 20332), (1564, 16406), (1768, 14513), (2392, 10727), (2524, 10166), (3128, 8203), (5048, 5083)]