208921896

素因数分解:

$2^3\times 3^3\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{761}}^1$

素因数の和:848

約数の個数: 128

約数和(自身を含む): 614476800

約数和(自身を除く): 405554904

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 31, 36, 41, 54, 62, 72, 82, 93, 108, 123, 124, 164, 186, 216, 246, 248, 279, 328, 369, 372, 492, 558, 738, 744, 761, 837, 984, 1107, 1116, 1271, 1476, 1522, 1674, 2214, 2232, 2283, 2542, 2952, 3044, 3348, 3813, 4428, 4566, 5084, 6088, 6696, 6849, 7626, 8856, 9132, 10168, 11439, 13698, 15252, 18264, 20547, 22878, 23591, 27396, 30504, 31201, 34317, 41094, 45756, 47182, 54792, 62402, 68634, 70773, 82188, 91512, 93603, 94364, 124804, 137268, 141546, 164376, 187206, 188728, 212319, 249608, 274536, 280809, 283092, 374412, 424638, 561618, 566184, 636957, 748824, 842427, 849276, 967231, 1123236, 1273914, 1684854, 1698552, 1934462, 2246472, 2547828, 2901693, 3369708, 3868924, 5095656, 5803386, 6739416, 7737848, 8705079, 11606772, 17410158, 23213544, 26115237, 34820316, 52230474, 69640632, 104460948, 208921896]

約数ペア:

[(1, 208921896), (2, 104460948), (3, 69640632), (4, 52230474), (6, 34820316), (8, 26115237), (9, 23213544), (12, 17410158), (18, 11606772), (24, 8705079), (27, 7737848), (31, 6739416), (36, 5803386), (41, 5095656), (54, 3868924), (62, 3369708), (72, 2901693), (82, 2547828), (93, 2246472), (108, 1934462), (123, 1698552), (124, 1684854), (164, 1273914), (186, 1123236), (216, 967231), (246, 849276), (248, 842427), (279, 748824), (328, 636957), (369, 566184), (372, 561618), (492, 424638), (558, 374412), (738, 283092), (744, 280809), (761, 274536), (837, 249608), (984, 212319), (1107, 188728), (1116, 187206), (1271, 164376), (1476, 141546), (1522, 137268), (1674, 124804), (2214, 94364), (2232, 93603), (2283, 91512), (2542, 82188), (2952, 70773), (3044, 68634), (3348, 62402), (3813, 54792), (4428, 47182), (4566, 45756), (5084, 41094), (6088, 34317), (6696, 31201), (6849, 30504), (7626, 27396), (8856, 23591), (9132, 22878), (10168, 20547), (11439, 18264), (13698, 15252)]