219871312

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{139}}^1\times {\mathrm{907}}^1$

素因数の和:1163

約数の個数: 40

約数和(自身を含む): 433479200

約数和(自身を除く): 213607888

約数列:

[1, 2, 4, 8, 16, 109, 139, 218, 278, 436, 556, 872, 907, 1112, 1744, 1814, 2224, 3628, 7256, 14512, 15151, 30302, 60604, 98863, 121208, 126073, 197726, 242416, 252146, 395452, 504292, 790904, 1008584, 1581808, 2017168, 13741957, 27483914, 54967828, 109935656, 219871312]

約数ペア:

[(1, 219871312), (2, 109935656), (4, 54967828), (8, 27483914), (16, 13741957), (109, 2017168), (139, 1581808), (218, 1008584), (278, 790904), (436, 504292), (556, 395452), (872, 252146), (907, 242416), (1112, 197726), (1744, 126073), (1814, 121208), (2224, 98863), (3628, 60604), (7256, 30302), (14512, 15151)]