28317664

素因数分解:

$2^5\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{163}}^1$

素因数の和:323

約数の個数: 48

約数和(自身を含む): 57652560

約数和(自身を除く): 29334896

約数列:

[1, 2, 4, 8, 16, 32, 61, 89, 122, 163, 178, 244, 326, 356, 488, 652, 712, 976, 1304, 1424, 1952, 2608, 2848, 5216, 5429, 9943, 10858, 14507, 19886, 21716, 29014, 39772, 43432, 58028, 79544, 86864, 116056, 159088, 173728, 232112, 318176, 464224, 884927, 1769854, 3539708, 7079416, 14158832, 28317664]

約数ペア:

[(1, 28317664), (2, 14158832), (4, 7079416), (8, 3539708), (16, 1769854), (32, 884927), (61, 464224), (89, 318176), (122, 232112), (163, 173728), (178, 159088), (244, 116056), (326, 86864), (356, 79544), (488, 58028), (652, 43432), (712, 39772), (976, 29014), (1304, 21716), (1424, 19886), (1952, 14507), (2608, 10858), (2848, 9943), (5216, 5429)]