280949408

素因数分解:

$2^5\times {\mathrm{61}}^1\times {\mathrm{163}}^1\times {\mathrm{883}}^1$

素因数の和:1117

約数の個数: 48

約数和(自身を含む): 566276256

約数和(自身を除く): 285326848

約数列:

[1, 2, 4, 8, 16, 32, 61, 122, 163, 244, 326, 488, 652, 883, 976, 1304, 1766, 1952, 2608, 3532, 5216, 7064, 9943, 14128, 19886, 28256, 39772, 53863, 79544, 107726, 143929, 159088, 215452, 287858, 318176, 430904, 575716, 861808, 1151432, 1723616, 2302864, 4605728, 8779669, 17559338, 35118676, 70237352, 140474704, 280949408]

約数ペア:

[(1, 280949408), (2, 140474704), (4, 70237352), (8, 35118676), (16, 17559338), (32, 8779669), (61, 4605728), (122, 2302864), (163, 1723616), (244, 1151432), (326, 861808), (488, 575716), (652, 430904), (883, 318176), (976, 287858), (1304, 215452), (1766, 159088), (1952, 143929), (2608, 107726), (3532, 79544), (5216, 53863), (7064, 39772), (9943, 28256), (14128, 19886)]