131561976

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{1021}}^1$

素因数の和:1109

約数の個数: 128

約数和(自身を含む): 412070400

約数和(自身を除く): 280508424

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 59, 78, 84, 91, 104, 118, 156, 168, 177, 182, 236, 273, 312, 354, 364, 413, 472, 546, 708, 728, 767, 826, 1021, 1092, 1239, 1416, 1534, 1652, 2042, 2184, 2301, 2478, 3063, 3068, 3304, 4084, 4602, 4956, 5369, 6126, 6136, 7147, 8168, 9204, 9912, 10738, 12252, 13273, 14294, 16107, 18408, 21441, 21476, 24504, 26546, 28588, 32214, 39819, 42882, 42952, 53092, 57176, 60239, 64428, 79638, 85764, 92911, 106184, 120478, 128856, 159276, 171528, 180717, 185822, 240956, 278733, 318552, 361434, 371644, 421673, 481912, 557466, 722868, 743288, 783107, 843346, 1114932, 1265019, 1445736, 1566214, 1686692, 2229864, 2349321, 2530038, 3132428, 3373384, 4698642, 5060076, 5481749, 6264856, 9397284, 10120152, 10963498, 16445247, 18794568, 21926996, 32890494, 43853992, 65780988, 131561976]

約数ペア:

[(1, 131561976), (2, 65780988), (3, 43853992), (4, 32890494), (6, 21926996), (7, 18794568), (8, 16445247), (12, 10963498), (13, 10120152), (14, 9397284), (21, 6264856), (24, 5481749), (26, 5060076), (28, 4698642), (39, 3373384), (42, 3132428), (52, 2530038), (56, 2349321), (59, 2229864), (78, 1686692), (84, 1566214), (91, 1445736), (104, 1265019), (118, 1114932), (156, 843346), (168, 783107), (177, 743288), (182, 722868), (236, 557466), (273, 481912), (312, 421673), (354, 371644), (364, 361434), (413, 318552), (472, 278733), (546, 240956), (708, 185822), (728, 180717), (767, 171528), (826, 159276), (1021, 128856), (1092, 120478), (1239, 106184), (1416, 92911), (1534, 85764), (1652, 79638), (2042, 64428), (2184, 60239), (2301, 57176), (2478, 53092), (3063, 42952), (3068, 42882), (3304, 39819), (4084, 32214), (4602, 28588), (4956, 26546), (5369, 24504), (6126, 21476), (6136, 21441), (7147, 18408), (8168, 16107), (9204, 14294), (9912, 13273), (10738, 12252)]