487999876

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1721}}^1$

素因数の和:1805

約数の個数: 96

約数和(自身を含む): 1134040320

約数和(自身を除く): 646040444

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 41, 52, 76, 82, 91, 133, 164, 182, 247, 266, 287, 364, 494, 532, 533, 574, 779, 988, 1066, 1148, 1558, 1721, 1729, 2132, 3116, 3442, 3458, 3731, 5453, 6884, 6916, 7462, 10127, 10906, 12047, 14924, 20254, 21812, 22373, 24094, 32699, 40508, 44746, 48188, 65398, 70561, 70889, 89492, 130796, 141122, 141778, 156611, 228893, 282244, 283556, 313222, 425087, 457786, 493927, 626444, 850174, 915572, 917293, 987854, 1340659, 1700348, 1834586, 1975708, 2681318, 2975609, 3669172, 5362636, 5951218, 6421051, 9384613, 11902436, 12842102, 17428567, 18769226, 25684204, 34857134, 37538452, 69714268, 121999969, 243999938, 487999876]

約数ペア:

[(1, 487999876), (2, 243999938), (4, 121999969), (7, 69714268), (13, 37538452), (14, 34857134), (19, 25684204), (26, 18769226), (28, 17428567), (38, 12842102), (41, 11902436), (52, 9384613), (76, 6421051), (82, 5951218), (91, 5362636), (133, 3669172), (164, 2975609), (182, 2681318), (247, 1975708), (266, 1834586), (287, 1700348), (364, 1340659), (494, 987854), (532, 917293), (533, 915572), (574, 850174), (779, 626444), (988, 493927), (1066, 457786), (1148, 425087), (1558, 313222), (1721, 283556), (1729, 282244), (2132, 228893), (3116, 156611), (3442, 141778), (3458, 141122), (3731, 130796), (5453, 89492), (6884, 70889), (6916, 70561), (7462, 65398), (10127, 48188), (10906, 44746), (12047, 40508), (14924, 32699), (20254, 24094), (21812, 22373)]