28707984

素因数分解:

$2^4\times 3^2\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1$

素因数の和:213

約数の個数: 120

約数和(自身を含む): 85113600

約数和(自身を除く): 56405616

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 36, 48, 59, 62, 72, 93, 109, 118, 124, 144, 177, 186, 218, 236, 248, 279, 327, 354, 372, 436, 472, 496, 531, 558, 654, 708, 744, 872, 944, 981, 1062, 1116, 1308, 1416, 1488, 1744, 1829, 1962, 2124, 2232, 2616, 2832, 3379, 3658, 3924, 4248, 4464, 5232, 5487, 6431, 6758, 7316, 7848, 8496, 10137, 10974, 12862, 13516, 14632, 15696, 16461, 19293, 20274, 21948, 25724, 27032, 29264, 30411, 32922, 38586, 40548, 43896, 51448, 54064, 57879, 60822, 65844, 77172, 81096, 87792, 102896, 115758, 121644, 131688, 154344, 162192, 199361, 231516, 243288, 263376, 308688, 398722, 463032, 486576, 598083, 797444, 926064, 1196166, 1594888, 1794249, 2392332, 3189776, 3588498, 4784664, 7176996, 9569328, 14353992, 28707984]

約数ペア:

[(1, 28707984), (2, 14353992), (3, 9569328), (4, 7176996), (6, 4784664), (8, 3588498), (9, 3189776), (12, 2392332), (16, 1794249), (18, 1594888), (24, 1196166), (31, 926064), (36, 797444), (48, 598083), (59, 486576), (62, 463032), (72, 398722), (93, 308688), (109, 263376), (118, 243288), (124, 231516), (144, 199361), (177, 162192), (186, 154344), (218, 131688), (236, 121644), (248, 115758), (279, 102896), (327, 87792), (354, 81096), (372, 77172), (436, 65844), (472, 60822), (496, 57879), (531, 54064), (558, 51448), (654, 43896), (708, 40548), (744, 38586), (872, 32922), (944, 30411), (981, 29264), (1062, 27032), (1116, 25724), (1308, 21948), (1416, 20274), (1488, 19293), (1744, 16461), (1829, 15696), (1962, 14632), (2124, 13516), (2232, 12862), (2616, 10974), (2832, 10137), (3379, 8496), (3658, 7848), (3924, 7316), (4248, 6758), (4464, 6431), (5232, 5487)]