128677416

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{163}}^1$

素因数の和:343

約数の個数: 128

約数和(自身を含む): 382894080

約数和(自身を除く): 254216664

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 37, 42, 56, 74, 84, 111, 127, 148, 163, 168, 222, 254, 259, 296, 326, 381, 444, 489, 508, 518, 652, 762, 777, 888, 889, 978, 1016, 1036, 1141, 1304, 1524, 1554, 1778, 1956, 2072, 2282, 2667, 3048, 3108, 3423, 3556, 3912, 4564, 4699, 5334, 6031, 6216, 6846, 7112, 9128, 9398, 10668, 12062, 13692, 14097, 18093, 18796, 20701, 21336, 24124, 27384, 28194, 32893, 36186, 37592, 41402, 42217, 48248, 56388, 62103, 65786, 72372, 82804, 84434, 98679, 112776, 124206, 126651, 131572, 144744, 144907, 165608, 168868, 197358, 248412, 253302, 263144, 289814, 337736, 394716, 434721, 496824, 506604, 579628, 765937, 789432, 869442, 1013208, 1159256, 1531874, 1738884, 2297811, 3063748, 3477768, 4595622, 5361559, 6127496, 9191244, 10723118, 16084677, 18382488, 21446236, 32169354, 42892472, 64338708, 128677416]

約数ペア:

[(1, 128677416), (2, 64338708), (3, 42892472), (4, 32169354), (6, 21446236), (7, 18382488), (8, 16084677), (12, 10723118), (14, 9191244), (21, 6127496), (24, 5361559), (28, 4595622), (37, 3477768), (42, 3063748), (56, 2297811), (74, 1738884), (84, 1531874), (111, 1159256), (127, 1013208), (148, 869442), (163, 789432), (168, 765937), (222, 579628), (254, 506604), (259, 496824), (296, 434721), (326, 394716), (381, 337736), (444, 289814), (489, 263144), (508, 253302), (518, 248412), (652, 197358), (762, 168868), (777, 165608), (888, 144907), (889, 144744), (978, 131572), (1016, 126651), (1036, 124206), (1141, 112776), (1304, 98679), (1524, 84434), (1554, 82804), (1778, 72372), (1956, 65786), (2072, 62103), (2282, 56388), (2667, 48248), (3048, 42217), (3108, 41402), (3423, 37592), (3556, 36186), (3912, 32893), (4564, 28194), (4699, 27384), (5334, 24124), (6031, 21336), (6216, 20701), (6846, 18796), (7112, 18093), (9128, 14097), (9398, 13692), (10668, 12062)]