56981288

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{2699}}^1$

素因数の和:2754

約数の個数: 64

約数和(自身を含む): 136080000

約数和(自身を除く): 79098712

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 29, 52, 56, 58, 91, 104, 116, 182, 203, 232, 364, 377, 406, 728, 754, 812, 1508, 1624, 2639, 2699, 3016, 5278, 5398, 10556, 10796, 18893, 21112, 21592, 35087, 37786, 70174, 75572, 78271, 140348, 151144, 156542, 245609, 280696, 313084, 491218, 547897, 626168, 982436, 1017523, 1095794, 1964872, 2035046, 2191588, 4070092, 4383176, 7122661, 8140184, 14245322, 28490644, 56981288]

約数ペア:

[(1, 56981288), (2, 28490644), (4, 14245322), (7, 8140184), (8, 7122661), (13, 4383176), (14, 4070092), (26, 2191588), (28, 2035046), (29, 1964872), (52, 1095794), (56, 1017523), (58, 982436), (91, 626168), (104, 547897), (116, 491218), (182, 313084), (203, 280696), (232, 245609), (364, 156542), (377, 151144), (406, 140348), (728, 78271), (754, 75572), (812, 70174), (1508, 37786), (1624, 35087), (2639, 21592), (2699, 21112), (3016, 18893), (5278, 10796), (5398, 10556)]