28653408

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{233}}^1$

素因数の和:317

約数の個数: 144

約数和(自身を含む): 95056416

約数和(自身を除く): 66403008

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 61, 63, 72, 84, 96, 112, 122, 126, 144, 168, 183, 224, 233, 244, 252, 288, 336, 366, 427, 466, 488, 504, 549, 672, 699, 732, 854, 932, 976, 1008, 1098, 1281, 1398, 1464, 1631, 1708, 1864, 1952, 2016, 2097, 2196, 2562, 2796, 2928, 3262, 3416, 3728, 3843, 4194, 4392, 4893, 5124, 5592, 5856, 6524, 6832, 7456, 7686, 8388, 8784, 9786, 10248, 11184, 13048, 13664, 14213, 14679, 15372, 16776, 17568, 19572, 20496, 22368, 26096, 28426, 29358, 30744, 33552, 39144, 40992, 42639, 52192, 56852, 58716, 61488, 67104, 78288, 85278, 99491, 113704, 117432, 122976, 127917, 156576, 170556, 198982, 227408, 234864, 255834, 298473, 341112, 397964, 454816, 469728, 511668, 596946, 682224, 795928, 895419, 1023336, 1193892, 1364448, 1591856, 1790838, 2046672, 2387784, 3183712, 3581676, 4093344, 4775568, 7163352, 9551136, 14326704, 28653408]

約数ペア:

[(1, 28653408), (2, 14326704), (3, 9551136), (4, 7163352), (6, 4775568), (7, 4093344), (8, 3581676), (9, 3183712), (12, 2387784), (14, 2046672), (16, 1790838), (18, 1591856), (21, 1364448), (24, 1193892), (28, 1023336), (32, 895419), (36, 795928), (42, 682224), (48, 596946), (56, 511668), (61, 469728), (63, 454816), (72, 397964), (84, 341112), (96, 298473), (112, 255834), (122, 234864), (126, 227408), (144, 198982), (168, 170556), (183, 156576), (224, 127917), (233, 122976), (244, 117432), (252, 113704), (288, 99491), (336, 85278), (366, 78288), (427, 67104), (466, 61488), (488, 58716), (504, 56852), (549, 52192), (672, 42639), (699, 40992), (732, 39144), (854, 33552), (932, 30744), (976, 29358), (1008, 28426), (1098, 26096), (1281, 22368), (1398, 20496), (1464, 19572), (1631, 17568), (1708, 16776), (1864, 15372), (1952, 14679), (2016, 14213), (2097, 13664), (2196, 13048), (2562, 11184), (2796, 10248), (2928, 9786), (3262, 8784), (3416, 8388), (3728, 7686), (3843, 7456), (4194, 6832), (4392, 6524), (4893, 5856), (5124, 5592)]