289489904

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{547}}^1$

素因数の和:694

約数の個数: 80

約数和(自身を含む): 639292416

約数和(自身を除く): 349802512

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 44, 62, 88, 97, 124, 176, 194, 248, 341, 388, 496, 547, 682, 776, 1067, 1094, 1364, 1552, 2134, 2188, 2728, 3007, 4268, 4376, 5456, 6014, 6017, 8536, 8752, 12028, 12034, 16957, 17072, 24056, 24068, 33077, 33914, 48112, 48136, 53059, 66154, 67828, 96272, 106118, 132308, 135656, 186527, 212236, 264616, 271312, 373054, 424472, 529232, 583649, 746108, 848944, 1167298, 1492216, 1644829, 2334596, 2984432, 3289658, 4669192, 6579316, 9338384, 13158632, 18093119, 26317264, 36186238, 72372476, 144744952, 289489904]

約数ペア:

[(1, 289489904), (2, 144744952), (4, 72372476), (8, 36186238), (11, 26317264), (16, 18093119), (22, 13158632), (31, 9338384), (44, 6579316), (62, 4669192), (88, 3289658), (97, 2984432), (124, 2334596), (176, 1644829), (194, 1492216), (248, 1167298), (341, 848944), (388, 746108), (496, 583649), (547, 529232), (682, 424472), (776, 373054), (1067, 271312), (1094, 264616), (1364, 212236), (1552, 186527), (2134, 135656), (2188, 132308), (2728, 106118), (3007, 96272), (4268, 67828), (4376, 66154), (5456, 53059), (6014, 48136), (6017, 48112), (8536, 33914), (8752, 33077), (12028, 24068), (12034, 24056), (16957, 17072)]