31915936

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4513}}^1$

素因数の和:4553

約数の個数: 48

約数和(自身を含む): 71664264

約数和(自身を除く): 39748328

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 68, 104, 136, 208, 221, 272, 416, 442, 544, 884, 1768, 3536, 4513, 7072, 9026, 18052, 36104, 58669, 72208, 76721, 117338, 144416, 153442, 234676, 306884, 469352, 613768, 938704, 997373, 1227536, 1877408, 1994746, 2455072, 3989492, 7978984, 15957968, 31915936]

約数ペア:

[(1, 31915936), (2, 15957968), (4, 7978984), (8, 3989492), (13, 2455072), (16, 1994746), (17, 1877408), (26, 1227536), (32, 997373), (34, 938704), (52, 613768), (68, 469352), (104, 306884), (136, 234676), (208, 153442), (221, 144416), (272, 117338), (416, 76721), (442, 72208), (544, 58669), (884, 36104), (1768, 18052), (3536, 9026), (4513, 7072)]