28263010

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{173}}^1$

素因数の和:259

約数の個数: 48

約数和(自身を含む): 55981368

約数和(自身を除く): 27718358

約数列:

[1, 2, 5, 10, 17, 31, 34, 62, 85, 155, 170, 173, 310, 346, 527, 865, 961, 1054, 1730, 1922, 2635, 2941, 4805, 5270, 5363, 5882, 9610, 10726, 14705, 16337, 26815, 29410, 32674, 53630, 81685, 91171, 163370, 166253, 182342, 332506, 455855, 831265, 911710, 1662530, 2826301, 5652602, 14131505, 28263010]

約数ペア:

[(1, 28263010), (2, 14131505), (5, 5652602), (10, 2826301), (17, 1662530), (31, 911710), (34, 831265), (62, 455855), (85, 332506), (155, 182342), (170, 166253), (173, 163370), (310, 91171), (346, 81685), (527, 53630), (865, 32674), (961, 29410), (1054, 26815), (1730, 16337), (1922, 14705), (2635, 10726), (2941, 9610), (4805, 5882), (5270, 5363)]