28866470

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{373}}^1$

素因数の和:560

約数の個数: 32

約数和(自身を含む): 53317440

約数和(自身を除く): 24450970

約数列:

[1, 2, 5, 10, 71, 109, 142, 218, 355, 373, 545, 710, 746, 1090, 1865, 3730, 7739, 15478, 26483, 38695, 40657, 52966, 77390, 81314, 132415, 203285, 264830, 406570, 2886647, 5773294, 14433235, 28866470]

約数ペア:

[(1, 28866470), (2, 14433235), (5, 5773294), (10, 2886647), (71, 406570), (109, 264830), (142, 203285), (218, 132415), (355, 81314), (373, 77390), (545, 52966), (710, 40657), (746, 38695), (1090, 26483), (1865, 15478), (3730, 7739)]