991860542

素因数分解:

$2^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1\times {\mathrm{163}}^1\times {\mathrm{271}}^1$

素因数の和:648

約数の個数: 32

約数和(自身を含む): 1530946560

約数和(自身を除く): 539086018

約数列:

[1, 2, 103, 109, 163, 206, 218, 271, 326, 542, 11227, 16789, 17767, 22454, 27913, 29539, 33578, 35534, 44173, 55826, 59078, 88346, 1830001, 3042517, 3660002, 4549819, 4814857, 6085034, 9099638, 9629714, 495930271, 991860542]

約数ペア:

[(1, 991860542), (2, 495930271), (103, 9629714), (109, 9099638), (163, 6085034), (206, 4814857), (218, 4549819), (271, 3660002), (326, 3042517), (542, 1830001), (11227, 88346), (16789, 59078), (17767, 55826), (22454, 44173), (27913, 35534), (29539, 33578)]