28475748

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{17}}^3\times {\mathrm{23}}^1$

素因数の和:91

約数の個数: 144

約数和(自身を含む): 91203840

約数和(自身を除く): 62728092

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 23, 28, 34, 36, 42, 46, 51, 63, 68, 69, 84, 92, 102, 119, 126, 138, 153, 161, 204, 207, 238, 252, 276, 289, 306, 322, 357, 391, 414, 476, 483, 578, 612, 644, 714, 782, 828, 867, 966, 1071, 1156, 1173, 1428, 1449, 1564, 1734, 1932, 2023, 2142, 2346, 2601, 2737, 2898, 3468, 3519, 4046, 4284, 4692, 4913, 5202, 5474, 5796, 6069, 6647, 7038, 8092, 8211, 9826, 10404, 10948, 12138, 13294, 14076, 14739, 16422, 18207, 19652, 19941, 24276, 24633, 26588, 29478, 32844, 34391, 36414, 39882, 44217, 46529, 49266, 58956, 59823, 68782, 72828, 79764, 88434, 93058, 98532, 103173, 112999, 119646, 137564, 139587, 176868, 186116, 206346, 225998, 239292, 279174, 309519, 338997, 412692, 418761, 451996, 558348, 619038, 677994, 790993, 837522, 1016991, 1238076, 1355988, 1581986, 1675044, 2033982, 2372979, 3163972, 4067964, 4745958, 7118937, 9491916, 14237874, 28475748]

約数ペア:

[(1, 28475748), (2, 14237874), (3, 9491916), (4, 7118937), (6, 4745958), (7, 4067964), (9, 3163972), (12, 2372979), (14, 2033982), (17, 1675044), (18, 1581986), (21, 1355988), (23, 1238076), (28, 1016991), (34, 837522), (36, 790993), (42, 677994), (46, 619038), (51, 558348), (63, 451996), (68, 418761), (69, 412692), (84, 338997), (92, 309519), (102, 279174), (119, 239292), (126, 225998), (138, 206346), (153, 186116), (161, 176868), (204, 139587), (207, 137564), (238, 119646), (252, 112999), (276, 103173), (289, 98532), (306, 93058), (322, 88434), (357, 79764), (391, 72828), (414, 68782), (476, 59823), (483, 58956), (578, 49266), (612, 46529), (644, 44217), (714, 39882), (782, 36414), (828, 34391), (867, 32844), (966, 29478), (1071, 26588), (1156, 24633), (1173, 24276), (1428, 19941), (1449, 19652), (1564, 18207), (1734, 16422), (1932, 14739), (2023, 14076), (2142, 13294), (2346, 12138), (2601, 10948), (2737, 10404), (2898, 9826), (3468, 8211), (3519, 8092), (4046, 7038), (4284, 6647), (4692, 6069), (4913, 5796), (5202, 5474)]