647646792

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{2309}}^1$

素因数の和:2391

約数の個数: 128

約数和(自身を含む): 1862784000

約数和(自身を除く): 1215137208

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 29, 31, 39, 52, 58, 62, 78, 87, 93, 104, 116, 124, 156, 174, 186, 232, 248, 312, 348, 372, 377, 403, 696, 744, 754, 806, 899, 1131, 1209, 1508, 1612, 1798, 2262, 2309, 2418, 2697, 3016, 3224, 3596, 4524, 4618, 4836, 5394, 6927, 7192, 9048, 9236, 9672, 10788, 11687, 13854, 18472, 21576, 23374, 27708, 30017, 35061, 46748, 55416, 60034, 66961, 70122, 71579, 90051, 93496, 120068, 133922, 140244, 143158, 180102, 200883, 214737, 240136, 267844, 280488, 286316, 360204, 401766, 429474, 535688, 572632, 720408, 803532, 858948, 870493, 930527, 1607064, 1717896, 1740986, 1861054, 2075791, 2611479, 2791581, 3481972, 3722108, 4151582, 5222958, 5583162, 6227373, 6963944, 7444216, 8303164, 10445916, 11166324, 12454746, 16606328, 20891832, 22332648, 24909492, 26985283, 49818984, 53970566, 80955849, 107941132, 161911698, 215882264, 323823396, 647646792]

約数ペア:

[(1, 647646792), (2, 323823396), (3, 215882264), (4, 161911698), (6, 107941132), (8, 80955849), (12, 53970566), (13, 49818984), (24, 26985283), (26, 24909492), (29, 22332648), (31, 20891832), (39, 16606328), (52, 12454746), (58, 11166324), (62, 10445916), (78, 8303164), (87, 7444216), (93, 6963944), (104, 6227373), (116, 5583162), (124, 5222958), (156, 4151582), (174, 3722108), (186, 3481972), (232, 2791581), (248, 2611479), (312, 2075791), (348, 1861054), (372, 1740986), (377, 1717896), (403, 1607064), (696, 930527), (744, 870493), (754, 858948), (806, 803532), (899, 720408), (1131, 572632), (1209, 535688), (1508, 429474), (1612, 401766), (1798, 360204), (2262, 286316), (2309, 280488), (2418, 267844), (2697, 240136), (3016, 214737), (3224, 200883), (3596, 180102), (4524, 143158), (4618, 140244), (4836, 133922), (5394, 120068), (6927, 93496), (7192, 90051), (9048, 71579), (9236, 70122), (9672, 66961), (10788, 60034), (11687, 55416), (13854, 46748), (18472, 35061), (21576, 30017), (23374, 27708)]