81972618

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1$

素因数の和:252

約数の個数: 128

約数和(自身を含む): 216760320

約数和(自身を除く): 134787702

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 29, 31, 39, 42, 58, 62, 78, 87, 91, 93, 167, 174, 182, 186, 203, 217, 273, 334, 377, 403, 406, 434, 501, 546, 609, 651, 754, 806, 899, 1002, 1131, 1169, 1209, 1218, 1302, 1798, 2171, 2262, 2338, 2418, 2639, 2697, 2821, 3507, 4342, 4843, 5177, 5278, 5394, 5642, 6293, 6513, 7014, 7917, 8463, 9686, 10354, 11687, 12586, 13026, 14529, 15197, 15531, 15834, 16926, 18879, 23374, 29058, 30394, 31062, 33901, 35061, 36239, 37758, 45591, 62959, 67301, 67802, 70122, 72478, 81809, 91182, 101703, 108717, 125918, 134602, 150133, 163618, 188877, 201903, 203406, 217434, 245427, 300266, 377754, 403806, 440713, 450399, 471107, 490854, 881426, 900798, 942214, 1050931, 1322139, 1413321, 1951729, 2101862, 2644278, 2826642, 3152793, 3903458, 5855187, 6305586, 11710374, 13662103, 27324206, 40986309, 81972618]

約数ペア:

[(1, 81972618), (2, 40986309), (3, 27324206), (6, 13662103), (7, 11710374), (13, 6305586), (14, 5855187), (21, 3903458), (26, 3152793), (29, 2826642), (31, 2644278), (39, 2101862), (42, 1951729), (58, 1413321), (62, 1322139), (78, 1050931), (87, 942214), (91, 900798), (93, 881426), (167, 490854), (174, 471107), (182, 450399), (186, 440713), (203, 403806), (217, 377754), (273, 300266), (334, 245427), (377, 217434), (403, 203406), (406, 201903), (434, 188877), (501, 163618), (546, 150133), (609, 134602), (651, 125918), (754, 108717), (806, 101703), (899, 91182), (1002, 81809), (1131, 72478), (1169, 70122), (1209, 67802), (1218, 67301), (1302, 62959), (1798, 45591), (2171, 37758), (2262, 36239), (2338, 35061), (2418, 33901), (2639, 31062), (2697, 30394), (2821, 29058), (3507, 23374), (4342, 18879), (4843, 16926), (5177, 15834), (5278, 15531), (5394, 15197), (5642, 14529), (6293, 13026), (6513, 12586), (7014, 11687), (7917, 10354), (8463, 9686)]