81907812

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{59}}^1\times {\mathrm{787}}^1$

素因数の和:870

約数の個数: 108

約数和(自身を含む): 245241360

約数和(自身を除く): 163333548

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 59, 63, 84, 98, 118, 126, 147, 177, 196, 236, 252, 294, 354, 413, 441, 531, 588, 708, 787, 826, 882, 1062, 1239, 1574, 1652, 1764, 2124, 2361, 2478, 2891, 3148, 3717, 4722, 4956, 5509, 5782, 7083, 7434, 8673, 9444, 11018, 11564, 14166, 14868, 16527, 17346, 22036, 26019, 28332, 33054, 34692, 38563, 46433, 49581, 52038, 66108, 77126, 92866, 99162, 104076, 115689, 139299, 154252, 185732, 198324, 231378, 278598, 325031, 347067, 417897, 462756, 557196, 650062, 694134, 835794, 975093, 1300124, 1388268, 1671588, 1950186, 2275217, 2925279, 3900372, 4550434, 5850558, 6825651, 9100868, 11701116, 13651302, 20476953, 27302604, 40953906, 81907812]

約数ペア:

[(1, 81907812), (2, 40953906), (3, 27302604), (4, 20476953), (6, 13651302), (7, 11701116), (9, 9100868), (12, 6825651), (14, 5850558), (18, 4550434), (21, 3900372), (28, 2925279), (36, 2275217), (42, 1950186), (49, 1671588), (59, 1388268), (63, 1300124), (84, 975093), (98, 835794), (118, 694134), (126, 650062), (147, 557196), (177, 462756), (196, 417897), (236, 347067), (252, 325031), (294, 278598), (354, 231378), (413, 198324), (441, 185732), (531, 154252), (588, 139299), (708, 115689), (787, 104076), (826, 99162), (882, 92866), (1062, 77126), (1239, 66108), (1574, 52038), (1652, 49581), (1764, 46433), (2124, 38563), (2361, 34692), (2478, 33054), (2891, 28332), (3148, 26019), (3717, 22036), (4722, 17346), (4956, 16527), (5509, 14868), (5782, 14166), (7083, 11564), (7434, 11018), (8673, 9444)]