15981342

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{619}}^1$

素因数の和:968

約数の個数: 32

約数和(自身を含む): 34581120

約数和(自身を除く): 18599778

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 331, 619, 662, 993, 1238, 1857, 1986, 3714, 4303, 8047, 8606, 12909, 16094, 24141, 25818, 48282, 204889, 409778, 614667, 1229334, 2663557, 5327114, 7990671, 15981342]

約数ペア:

[(1, 15981342), (2, 7990671), (3, 5327114), (6, 2663557), (13, 1229334), (26, 614667), (39, 409778), (78, 204889), (331, 48282), (619, 25818), (662, 24141), (993, 16094), (1238, 12909), (1857, 8606), (1986, 8047), (3714, 4303)]