15731936

素因数分解:

$2^5\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{239}}^1$

素因数の和:288

約数の個数: 72

約数和(自身を含む): 36197280

約数和(自身を除く): 20465344

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 32, 34, 44, 68, 88, 121, 136, 176, 187, 239, 242, 272, 352, 374, 478, 484, 544, 748, 956, 968, 1496, 1912, 1936, 2057, 2629, 2992, 3824, 3872, 4063, 4114, 5258, 5984, 7648, 8126, 8228, 10516, 16252, 16456, 21032, 28919, 32504, 32912, 42064, 44693, 57838, 65008, 65824, 84128, 89386, 115676, 130016, 178772, 231352, 357544, 462704, 491623, 715088, 925408, 983246, 1430176, 1966492, 3932984, 7865968, 15731936]

約数ペア:

[(1, 15731936), (2, 7865968), (4, 3932984), (8, 1966492), (11, 1430176), (16, 983246), (17, 925408), (22, 715088), (32, 491623), (34, 462704), (44, 357544), (68, 231352), (88, 178772), (121, 130016), (136, 115676), (176, 89386), (187, 84128), (239, 65824), (242, 65008), (272, 57838), (352, 44693), (374, 42064), (478, 32912), (484, 32504), (544, 28919), (748, 21032), (956, 16456), (968, 16252), (1496, 10516), (1912, 8228), (1936, 8126), (2057, 7648), (2629, 5984), (2992, 5258), (3824, 4114), (3872, 4063)]