28541232

素因数分解:

$2^4\times 3^2\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:251

約数の個数: 120

約数和(自身を含む): 86177520

約数和(自身を除く): 57636288

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 34, 36, 48, 51, 68, 72, 89, 102, 131, 136, 144, 153, 178, 204, 262, 267, 272, 306, 356, 393, 408, 524, 534, 612, 712, 786, 801, 816, 1048, 1068, 1179, 1224, 1424, 1513, 1572, 1602, 2096, 2136, 2227, 2358, 2448, 3026, 3144, 3204, 4272, 4454, 4539, 4716, 6052, 6288, 6408, 6681, 8908, 9078, 9432, 11659, 12104, 12816, 13362, 13617, 17816, 18156, 18864, 20043, 23318, 24208, 26724, 27234, 34977, 35632, 36312, 40086, 46636, 53448, 54468, 69954, 72624, 80172, 93272, 104931, 106896, 108936, 139908, 160344, 186544, 198203, 209862, 217872, 279816, 320688, 396406, 419724, 559632, 594609, 792812, 839448, 1189218, 1585624, 1678896, 1783827, 2378436, 3171248, 3567654, 4756872, 7135308, 9513744, 14270616, 28541232]

約数ペア:

[(1, 28541232), (2, 14270616), (3, 9513744), (4, 7135308), (6, 4756872), (8, 3567654), (9, 3171248), (12, 2378436), (16, 1783827), (17, 1678896), (18, 1585624), (24, 1189218), (34, 839448), (36, 792812), (48, 594609), (51, 559632), (68, 419724), (72, 396406), (89, 320688), (102, 279816), (131, 217872), (136, 209862), (144, 198203), (153, 186544), (178, 160344), (204, 139908), (262, 108936), (267, 106896), (272, 104931), (306, 93272), (356, 80172), (393, 72624), (408, 69954), (524, 54468), (534, 53448), (612, 46636), (712, 40086), (786, 36312), (801, 35632), (816, 34977), (1048, 27234), (1068, 26724), (1179, 24208), (1224, 23318), (1424, 20043), (1513, 18864), (1572, 18156), (1602, 17816), (2096, 13617), (2136, 13362), (2227, 12816), (2358, 12104), (2448, 11659), (3026, 9432), (3144, 9078), (3204, 8908), (4272, 6681), (4454, 6408), (4539, 6288), (4716, 6052)]