89890216

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{45491}}^1$

素因数の和:45529

約数の個数: 32

約数和(自身を含む): 191066400

約数和(自身を除く): 101176184

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 45491, 90982, 181964, 363928, 591383, 864329, 1182766, 1728658, 2365532, 3457316, 4731064, 6914632, 11236277, 22472554, 44945108, 89890216]

約数ペア:

[(1, 89890216), (2, 44945108), (4, 22472554), (8, 11236277), (13, 6914632), (19, 4731064), (26, 3457316), (38, 2365532), (52, 1728658), (76, 1182766), (104, 864329), (152, 591383), (247, 363928), (494, 181964), (988, 90982), (1976, 45491)]