42278990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{17117}}^1$

素因数の和:17156

約数の個数: 32

約数和(自身を含む): 86274720

約数和(自身を除く): 43995730

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 17117, 34234, 85585, 171170, 222521, 325223, 445042, 650446, 1112605, 1626115, 2225210, 3252230, 4227899, 8455798, 21139495, 42278990]

約数ペア:

[(1, 42278990), (2, 21139495), (5, 8455798), (10, 4227899), (13, 3252230), (19, 2225210), (26, 1626115), (38, 1112605), (65, 650446), (95, 445042), (130, 325223), (190, 222521), (247, 171170), (494, 85585), (1235, 34234), (2470, 17117)]