665087388

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{179}}^1$

素因数の和:360

約数の個数: 144

約数和(自身を含む): 1861574400

約数和(自身を除く): 1196487012

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 71, 84, 89, 98, 142, 147, 178, 179, 196, 213, 267, 284, 294, 356, 358, 426, 497, 534, 537, 588, 623, 716, 852, 994, 1068, 1074, 1246, 1253, 1491, 1869, 1988, 2148, 2492, 2506, 2982, 3479, 3738, 3759, 4361, 5012, 5964, 6319, 6958, 7476, 7518, 8722, 8771, 10437, 12638, 12709, 13083, 13916, 15036, 15931, 17444, 17542, 18957, 20874, 25276, 25418, 26166, 26313, 31862, 35084, 37914, 38127, 41748, 44233, 47793, 50836, 52332, 52626, 63724, 75828, 76254, 88466, 88963, 95586, 105252, 111517, 132699, 152508, 176932, 177926, 191172, 223034, 265398, 266889, 309631, 334551, 355852, 446068, 530796, 533778, 619262, 622741, 669102, 780619, 928893, 1067556, 1131101, 1238524, 1245482, 1338204, 1561238, 1857786, 1868223, 2262202, 2341857, 2490964, 3122476, 3393303, 3715572, 3736446, 4524404, 4683714, 6786606, 7472892, 7917707, 9367428, 13573212, 15835414, 23753121, 31670828, 47506242, 55423949, 95012484, 110847898, 166271847, 221695796, 332543694, 665087388]

約数ペア:

[(1, 665087388), (2, 332543694), (3, 221695796), (4, 166271847), (6, 110847898), (7, 95012484), (12, 55423949), (14, 47506242), (21, 31670828), (28, 23753121), (42, 15835414), (49, 13573212), (71, 9367428), (84, 7917707), (89, 7472892), (98, 6786606), (142, 4683714), (147, 4524404), (178, 3736446), (179, 3715572), (196, 3393303), (213, 3122476), (267, 2490964), (284, 2341857), (294, 2262202), (356, 1868223), (358, 1857786), (426, 1561238), (497, 1338204), (534, 1245482), (537, 1238524), (588, 1131101), (623, 1067556), (716, 928893), (852, 780619), (994, 669102), (1068, 622741), (1074, 619262), (1246, 533778), (1253, 530796), (1491, 446068), (1869, 355852), (1988, 334551), (2148, 309631), (2492, 266889), (2506, 265398), (2982, 223034), (3479, 191172), (3738, 177926), (3759, 176932), (4361, 152508), (5012, 132699), (5964, 111517), (6319, 105252), (6958, 95586), (7476, 88963), (7518, 88466), (8722, 76254), (8771, 75828), (10437, 63724), (12638, 52626), (12709, 52332), (13083, 50836), (13916, 47793), (15036, 44233), (15931, 41748), (17444, 38127), (17542, 37914), (18957, 35084), (20874, 31862), (25276, 26313), (25418, 26166)]