289490872

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1\times {\mathrm{271}}^1$

素因数の和:548

約数の個数: 64

約数和(自身を含む): 607104000

約数和(自身を除く): 317613128

約数列:

[1, 2, 4, 8, 11, 22, 44, 61, 88, 122, 199, 244, 271, 398, 488, 542, 671, 796, 1084, 1342, 1592, 2168, 2189, 2684, 2981, 4378, 5368, 5962, 8756, 11924, 12139, 16531, 17512, 23848, 24278, 33062, 48556, 53929, 66124, 97112, 107858, 132248, 133529, 181841, 215716, 267058, 363682, 431432, 534116, 593219, 727364, 1068232, 1186438, 1454728, 2372876, 3289669, 4745752, 6579338, 13158676, 26317352, 36186359, 72372718, 144745436, 289490872]

約数ペア:

[(1, 289490872), (2, 144745436), (4, 72372718), (8, 36186359), (11, 26317352), (22, 13158676), (44, 6579338), (61, 4745752), (88, 3289669), (122, 2372876), (199, 1454728), (244, 1186438), (271, 1068232), (398, 727364), (488, 593219), (542, 534116), (671, 431432), (796, 363682), (1084, 267058), (1342, 215716), (1592, 181841), (2168, 133529), (2189, 132248), (2684, 107858), (2981, 97112), (4378, 66124), (5368, 53929), (5962, 48556), (8756, 33062), (11924, 24278), (12139, 23848), (16531, 17512)]