31874868

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{349}}^1$

素因数の和:461

約数の個数: 72

約数和(自身を含む): 84084000

約数和(自身を除く): 52209132

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 59, 86, 118, 129, 172, 177, 236, 258, 349, 354, 387, 516, 531, 698, 708, 774, 1047, 1062, 1396, 1548, 2094, 2124, 2537, 3141, 4188, 5074, 6282, 7611, 10148, 12564, 15007, 15222, 20591, 22833, 30014, 30444, 41182, 45021, 45666, 60028, 61773, 82364, 90042, 91332, 123546, 135063, 180084, 185319, 247092, 270126, 370638, 540252, 741276, 885413, 1770826, 2656239, 3541652, 5312478, 7968717, 10624956, 15937434, 31874868]

約数ペア:

[(1, 31874868), (2, 15937434), (3, 10624956), (4, 7968717), (6, 5312478), (9, 3541652), (12, 2656239), (18, 1770826), (36, 885413), (43, 741276), (59, 540252), (86, 370638), (118, 270126), (129, 247092), (172, 185319), (177, 180084), (236, 135063), (258, 123546), (349, 91332), (354, 90042), (387, 82364), (516, 61773), (531, 60028), (698, 45666), (708, 45021), (774, 41182), (1047, 30444), (1062, 30014), (1396, 22833), (1548, 20591), (2094, 15222), (2124, 15007), (2537, 12564), (3141, 10148), (4188, 7611), (5074, 6282)]