28904530

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{691}}^1$

素因数の和:834

約数の個数: 32

約数和(自身を含む): 53809920

約数和(自身を除く): 24905390

約数列:

[1, 2, 5, 10, 47, 89, 94, 178, 235, 445, 470, 691, 890, 1382, 3455, 4183, 6910, 8366, 20915, 32477, 41830, 61499, 64954, 122998, 162385, 307495, 324770, 614990, 2890453, 5780906, 14452265, 28904530]

約数ペア:

[(1, 28904530), (2, 14452265), (5, 5780906), (10, 2890453), (47, 614990), (89, 324770), (94, 307495), (178, 162385), (235, 122998), (445, 64954), (470, 61499), (691, 41830), (890, 32477), (1382, 20915), (3455, 8366), (4183, 6910)]