42138694

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{433}}^1$

素因数の和:664

約数の個数: 32

約数和(自身を含む): 72182880

約数和(自身を除く): 30044186

約数列:

[1, 2, 13, 19, 26, 38, 197, 247, 394, 433, 494, 866, 2561, 3743, 5122, 5629, 7486, 8227, 11258, 16454, 48659, 85301, 97318, 106951, 170602, 213902, 1108913, 1620719, 2217826, 3241438, 21069347, 42138694]

約数ペア:

[(1, 42138694), (2, 21069347), (13, 3241438), (19, 2217826), (26, 1620719), (38, 1108913), (197, 213902), (247, 170602), (394, 106951), (433, 97318), (494, 85301), (866, 48659), (2561, 16454), (3743, 11258), (5122, 8227), (5629, 7486)]