81950116

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1\times {\mathrm{193}}^1$

素因数の和:404

約数の個数: 48

約数和(自身を含む): 156876160

約数和(自身を除く): 74926044

約数列:

[1, 2, 4, 19, 37, 38, 74, 76, 148, 151, 193, 302, 386, 604, 703, 772, 1406, 2812, 2869, 3667, 5587, 5738, 7141, 7334, 11174, 11476, 14282, 14668, 22348, 28564, 29143, 58286, 106153, 116572, 135679, 212306, 271358, 424612, 542716, 553717, 1078291, 1107434, 2156582, 2214868, 4313164, 20487529, 40975058, 81950116]

約数ペア:

[(1, 81950116), (2, 40975058), (4, 20487529), (19, 4313164), (37, 2214868), (38, 2156582), (74, 1107434), (76, 1078291), (148, 553717), (151, 542716), (193, 424612), (302, 271358), (386, 212306), (604, 135679), (703, 116572), (772, 106153), (1406, 58286), (2812, 29143), (2869, 28564), (3667, 22348), (5587, 14668), (5738, 14282), (7141, 11476), (7334, 11174)]