27803330

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{3989}}^1$

素因数の和:4054

約数の個数: 32

約数和(自身を含む): 54295920

約数和(自身を除く): 26492590

約数列:

[1, 2, 5, 10, 17, 34, 41, 82, 85, 170, 205, 410, 697, 1394, 3485, 3989, 6970, 7978, 19945, 39890, 67813, 135626, 163549, 327098, 339065, 678130, 817745, 1635490, 2780333, 5560666, 13901665, 27803330]

約数ペア:

[(1, 27803330), (2, 13901665), (5, 5560666), (10, 2780333), (17, 1635490), (34, 817745), (41, 678130), (82, 339065), (85, 327098), (170, 163549), (205, 135626), (410, 67813), (697, 39890), (1394, 19945), (3485, 7978), (3989, 6970)]