253996798

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{157}}^1\times {\mathrm{487}}^1$

素因数の和:808

約数の個数: 32

約数和(自身を含む): 421913088

約数和(自身を除く): 167916290

約数列:

[1, 2, 11, 22, 151, 157, 302, 314, 487, 974, 1661, 1727, 3322, 3454, 5357, 10714, 23707, 47414, 73537, 76459, 147074, 152918, 260777, 521554, 808907, 841049, 1617814, 1682098, 11545309, 23090618, 126998399, 253996798]

約数ペア:

[(1, 253996798), (2, 126998399), (11, 23090618), (22, 11545309), (151, 1682098), (157, 1617814), (302, 841049), (314, 808907), (487, 521554), (974, 260777), (1661, 152918), (1727, 147074), (3322, 76459), (3454, 73537), (5357, 47414), (10714, 23707)]