138891904

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:162

約数の個数: 128

約数和(自身を含む): 317260800

約数和(自身を除く): 178368896

約数列:

[1, 2, 4, 8, 16, 17, 29, 31, 32, 34, 58, 62, 64, 68, 71, 116, 124, 128, 136, 142, 232, 248, 272, 284, 464, 493, 496, 527, 544, 568, 899, 928, 986, 992, 1054, 1088, 1136, 1207, 1798, 1856, 1972, 1984, 2059, 2108, 2176, 2201, 2272, 2414, 3596, 3712, 3944, 3968, 4118, 4216, 4402, 4544, 4828, 7192, 7888, 8236, 8432, 8804, 9088, 9656, 14384, 15283, 15776, 16472, 16864, 17608, 19312, 28768, 30566, 31552, 32944, 33728, 35003, 35216, 37417, 38624, 57536, 61132, 63104, 63829, 65888, 67456, 70006, 70432, 74834, 77248, 115072, 122264, 127658, 131776, 140012, 140864, 149668, 154496, 244528, 255316, 263552, 280024, 281728, 299336, 489056, 510632, 560048, 598672, 978112, 1021264, 1085093, 1120096, 1197344, 1956224, 2042528, 2170186, 2240192, 2394688, 4085056, 4340372, 4480384, 4789376, 8170112, 8680744, 17361488, 34722976, 69445952, 138891904]

約数ペア:

[(1, 138891904), (2, 69445952), (4, 34722976), (8, 17361488), (16, 8680744), (17, 8170112), (29, 4789376), (31, 4480384), (32, 4340372), (34, 4085056), (58, 2394688), (62, 2240192), (64, 2170186), (68, 2042528), (71, 1956224), (116, 1197344), (124, 1120096), (128, 1085093), (136, 1021264), (142, 978112), (232, 598672), (248, 560048), (272, 510632), (284, 489056), (464, 299336), (493, 281728), (496, 280024), (527, 263552), (544, 255316), (568, 244528), (899, 154496), (928, 149668), (986, 140864), (992, 140012), (1054, 131776), (1088, 127658), (1136, 122264), (1207, 115072), (1798, 77248), (1856, 74834), (1972, 70432), (1984, 70006), (2059, 67456), (2108, 65888), (2176, 63829), (2201, 63104), (2272, 61132), (2414, 57536), (3596, 38624), (3712, 37417), (3944, 35216), (3968, 35003), (4118, 33728), (4216, 32944), (4402, 31552), (4544, 30566), (4828, 28768), (7192, 19312), (7888, 17608), (8236, 16864), (8432, 16472), (8804, 15776), (9088, 15283), (9656, 14384)]