81689868

素因数分解:

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

素因数の和:528

約数の個数: 108

約数和(自身を含む): 231809760

約数和(自身を除く): 150119892

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 29, 36, 39, 52, 58, 78, 87, 116, 117, 156, 169, 174, 234, 261, 338, 348, 377, 463, 468, 507, 522, 676, 754, 926, 1014, 1044, 1131, 1389, 1508, 1521, 1852, 2028, 2262, 2778, 3042, 3393, 4167, 4524, 4901, 5556, 6019, 6084, 6786, 8334, 9802, 12038, 13427, 13572, 14703, 16668, 18057, 19604, 24076, 26854, 29406, 36114, 40281, 44109, 53708, 54171, 58812, 72228, 78247, 80562, 88218, 108342, 120843, 156494, 161124, 174551, 176436, 216684, 234741, 241686, 312988, 349102, 469482, 483372, 523653, 698204, 704223, 938964, 1047306, 1408446, 1570959, 2094612, 2269163, 2816892, 3141918, 4538326, 6283836, 6807489, 9076652, 13614978, 20422467, 27229956, 40844934, 81689868]

約数ペア:

[(1, 81689868), (2, 40844934), (3, 27229956), (4, 20422467), (6, 13614978), (9, 9076652), (12, 6807489), (13, 6283836), (18, 4538326), (26, 3141918), (29, 2816892), (36, 2269163), (39, 2094612), (52, 1570959), (58, 1408446), (78, 1047306), (87, 938964), (116, 704223), (117, 698204), (156, 523653), (169, 483372), (174, 469482), (234, 349102), (261, 312988), (338, 241686), (348, 234741), (377, 216684), (463, 176436), (468, 174551), (507, 161124), (522, 156494), (676, 120843), (754, 108342), (926, 88218), (1014, 80562), (1044, 78247), (1131, 72228), (1389, 58812), (1508, 54171), (1521, 53708), (1852, 44109), (2028, 40281), (2262, 36114), (2778, 29406), (3042, 26854), (3393, 24076), (4167, 19604), (4524, 18057), (4901, 16668), (5556, 14703), (6019, 13572), (6084, 13427), (6786, 12038), (8334, 9802)]