81729396

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{239}}^1$

素因数の和:338

約数の個数: 144

約数和(自身を含む): 251596800

約数和(自身を除く): 169867404

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 23, 28, 36, 42, 46, 59, 63, 69, 84, 92, 118, 126, 138, 161, 177, 207, 236, 239, 252, 276, 322, 354, 413, 414, 478, 483, 531, 644, 708, 717, 826, 828, 956, 966, 1062, 1239, 1357, 1434, 1449, 1652, 1673, 1932, 2124, 2151, 2478, 2714, 2868, 2898, 3346, 3717, 4071, 4302, 4956, 5019, 5428, 5497, 5796, 6692, 7434, 8142, 8604, 9499, 10038, 10994, 12213, 14101, 14868, 15057, 16284, 16491, 18998, 20076, 21988, 24426, 28202, 28497, 30114, 32982, 37996, 38479, 42303, 48852, 49473, 56404, 56994, 60228, 65964, 76958, 84606, 85491, 98707, 98946, 113988, 115437, 126909, 153916, 169212, 170982, 197414, 197892, 230874, 253818, 296121, 324323, 341964, 346311, 394828, 461748, 507636, 592242, 648646, 692622, 888363, 972969, 1184484, 1297292, 1385244, 1776726, 1945938, 2270261, 2918907, 3553452, 3891876, 4540522, 5837814, 6810783, 9081044, 11675628, 13621566, 20432349, 27243132, 40864698, 81729396]

約数ペア:

[(1, 81729396), (2, 40864698), (3, 27243132), (4, 20432349), (6, 13621566), (7, 11675628), (9, 9081044), (12, 6810783), (14, 5837814), (18, 4540522), (21, 3891876), (23, 3553452), (28, 2918907), (36, 2270261), (42, 1945938), (46, 1776726), (59, 1385244), (63, 1297292), (69, 1184484), (84, 972969), (92, 888363), (118, 692622), (126, 648646), (138, 592242), (161, 507636), (177, 461748), (207, 394828), (236, 346311), (239, 341964), (252, 324323), (276, 296121), (322, 253818), (354, 230874), (413, 197892), (414, 197414), (478, 170982), (483, 169212), (531, 153916), (644, 126909), (708, 115437), (717, 113988), (826, 98946), (828, 98707), (956, 85491), (966, 84606), (1062, 76958), (1239, 65964), (1357, 60228), (1434, 56994), (1449, 56404), (1652, 49473), (1673, 48852), (1932, 42303), (2124, 38479), (2151, 37996), (2478, 32982), (2714, 30114), (2868, 28497), (2898, 28202), (3346, 24426), (3717, 21988), (4071, 20076), (4302, 18998), (4956, 16491), (5019, 16284), (5428, 15057), (5497, 14868), (5796, 14101), (6692, 12213), (7434, 10994), (8142, 10038), (8604, 9499)]