257637276

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{463}}^1$

素因数の和:556

約数の個数: 144

約数和(自身を含む): 744831360

約数和(自身を除く): 487194084

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 29, 36, 39, 41, 52, 58, 78, 82, 87, 116, 117, 123, 156, 164, 174, 234, 246, 261, 348, 369, 377, 463, 468, 492, 522, 533, 738, 754, 926, 1044, 1066, 1131, 1189, 1389, 1476, 1508, 1599, 1852, 2132, 2262, 2378, 2778, 3198, 3393, 3567, 4167, 4524, 4756, 4797, 5556, 6019, 6396, 6786, 7134, 8334, 9594, 10701, 12038, 13427, 13572, 14268, 15457, 16668, 18057, 18983, 19188, 21402, 24076, 26854, 30914, 36114, 37966, 40281, 42804, 46371, 53708, 54171, 56949, 61828, 72228, 75932, 80562, 92742, 108342, 113898, 120843, 139113, 161124, 170847, 174551, 185484, 216684, 227796, 241686, 246779, 278226, 341694, 349102, 483372, 493558, 523653, 550507, 556452, 683388, 698204, 740337, 987116, 1047306, 1101014, 1480674, 1570959, 1651521, 2094612, 2202028, 2221011, 2961348, 3141918, 3303042, 4442022, 4954563, 6283836, 6606084, 7156591, 8884044, 9909126, 14313182, 19818252, 21469773, 28626364, 42939546, 64409319, 85879092, 128818638, 257637276]

約数ペア:

[(1, 257637276), (2, 128818638), (3, 85879092), (4, 64409319), (6, 42939546), (9, 28626364), (12, 21469773), (13, 19818252), (18, 14313182), (26, 9909126), (29, 8884044), (36, 7156591), (39, 6606084), (41, 6283836), (52, 4954563), (58, 4442022), (78, 3303042), (82, 3141918), (87, 2961348), (116, 2221011), (117, 2202028), (123, 2094612), (156, 1651521), (164, 1570959), (174, 1480674), (234, 1101014), (246, 1047306), (261, 987116), (348, 740337), (369, 698204), (377, 683388), (463, 556452), (468, 550507), (492, 523653), (522, 493558), (533, 483372), (738, 349102), (754, 341694), (926, 278226), (1044, 246779), (1066, 241686), (1131, 227796), (1189, 216684), (1389, 185484), (1476, 174551), (1508, 170847), (1599, 161124), (1852, 139113), (2132, 120843), (2262, 113898), (2378, 108342), (2778, 92742), (3198, 80562), (3393, 75932), (3567, 72228), (4167, 61828), (4524, 56949), (4756, 54171), (4797, 53708), (5556, 46371), (6019, 42804), (6396, 40281), (6786, 37966), (7134, 36114), (8334, 30914), (9594, 26854), (10701, 24076), (12038, 21402), (13427, 19188), (13572, 18983), (14268, 18057), (15457, 16668)]