28032290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19603}}^1$

素因数の和:19634

約数の個数: 32

約数和(自身を含む): 59282496

約数和(自身を除く): 31250206

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 19603, 39206, 98015, 196030, 215633, 254839, 431266, 509678, 1078165, 1274195, 2156330, 2548390, 2803229, 5606458, 14016145, 28032290]

約数ペア:

[(1, 28032290), (2, 14016145), (5, 5606458), (10, 2803229), (11, 2548390), (13, 2156330), (22, 1274195), (26, 1078165), (55, 509678), (65, 431266), (110, 254839), (130, 215633), (143, 196030), (286, 98015), (715, 39206), (1430, 19603)]