28006550

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3917}}^1$

素因数の和:3953

約数の個数: 48

約数和(自身を含む): 61214832

約数和(自身を除く): 33208282

約数列:

[1, 2, 5, 10, 11, 13, 22, 25, 26, 50, 55, 65, 110, 130, 143, 275, 286, 325, 550, 650, 715, 1430, 3575, 3917, 7150, 7834, 19585, 39170, 43087, 50921, 86174, 97925, 101842, 195850, 215435, 254605, 430870, 509210, 560131, 1077175, 1120262, 1273025, 2154350, 2546050, 2800655, 5601310, 14003275, 28006550]

約数ペア:

[(1, 28006550), (2, 14003275), (5, 5601310), (10, 2800655), (11, 2546050), (13, 2154350), (22, 1273025), (25, 1120262), (26, 1077175), (50, 560131), (55, 509210), (65, 430870), (110, 254605), (130, 215435), (143, 195850), (275, 101842), (286, 97925), (325, 86174), (550, 50921), (650, 43087), (715, 39170), (1430, 19585), (3575, 7834), (3917, 7150)]