56531384

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:173

約数の個数: 128

約数和(自身を含む): 141657600

約数和(自身を除く): 85126216

約数列:

[1, 2, 4, 7, 8, 13, 14, 19, 26, 28, 38, 52, 56, 61, 67, 76, 91, 104, 122, 133, 134, 152, 182, 244, 247, 266, 268, 364, 427, 469, 488, 494, 532, 536, 728, 793, 854, 871, 938, 988, 1064, 1159, 1273, 1586, 1708, 1729, 1742, 1876, 1976, 2318, 2546, 3172, 3416, 3458, 3484, 3752, 4087, 4636, 5092, 5551, 6097, 6344, 6916, 6968, 8113, 8174, 8911, 9272, 10184, 11102, 12194, 13832, 15067, 16226, 16348, 16549, 17822, 22204, 24388, 28609, 30134, 32452, 32696, 33098, 35644, 44408, 48776, 53131, 57218, 60268, 64904, 66196, 71288, 77653, 105469, 106262, 114436, 115843, 120536, 132392, 155306, 210938, 212524, 228872, 231686, 310612, 371917, 421876, 425048, 463372, 543571, 621224, 743834, 843752, 926744, 1009489, 1087142, 1487668, 2018978, 2174284, 2975336, 4037956, 4348568, 7066423, 8075912, 14132846, 28265692, 56531384]

約数ペア:

[(1, 56531384), (2, 28265692), (4, 14132846), (7, 8075912), (8, 7066423), (13, 4348568), (14, 4037956), (19, 2975336), (26, 2174284), (28, 2018978), (38, 1487668), (52, 1087142), (56, 1009489), (61, 926744), (67, 843752), (76, 743834), (91, 621224), (104, 543571), (122, 463372), (133, 425048), (134, 421876), (152, 371917), (182, 310612), (244, 231686), (247, 228872), (266, 212524), (268, 210938), (364, 155306), (427, 132392), (469, 120536), (488, 115843), (494, 114436), (532, 106262), (536, 105469), (728, 77653), (793, 71288), (854, 66196), (871, 64904), (938, 60268), (988, 57218), (1064, 53131), (1159, 48776), (1273, 44408), (1586, 35644), (1708, 33098), (1729, 32696), (1742, 32452), (1876, 30134), (1976, 28609), (2318, 24388), (2546, 22204), (3172, 17822), (3416, 16549), (3458, 16348), (3484, 16226), (3752, 15067), (4087, 13832), (4636, 12194), (5092, 11102), (5551, 10184), (6097, 9272), (6344, 8911), (6916, 8174), (6968, 8113)]