28487056

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{907}}^1$

素因数の和:1079

約数の個数: 40

約数和(自身を含む): 59898944

約数和(自身を除く): 31411888

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 151, 208, 302, 604, 907, 1208, 1814, 1963, 2416, 3628, 3926, 7256, 7852, 11791, 14512, 15704, 23582, 31408, 47164, 94328, 136957, 188656, 273914, 547828, 1095656, 1780441, 2191312, 3560882, 7121764, 14243528, 28487056]

約数ペア:

[(1, 28487056), (2, 14243528), (4, 7121764), (8, 3560882), (13, 2191312), (16, 1780441), (26, 1095656), (52, 547828), (104, 273914), (151, 188656), (208, 136957), (302, 94328), (604, 47164), (907, 31408), (1208, 23582), (1814, 15704), (1963, 14512), (2416, 11791), (3628, 7852), (3926, 7256)]