28296528

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{331}}^1$

素因数の和:492

約数の個数: 80

約数和(自身を含む): 79536576

約数和(自身を除く): 51240048

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 137, 156, 208, 274, 312, 331, 411, 548, 624, 662, 822, 993, 1096, 1324, 1644, 1781, 1986, 2192, 2648, 3288, 3562, 3972, 4303, 5296, 5343, 6576, 7124, 7944, 8606, 10686, 12909, 14248, 15888, 17212, 21372, 25818, 28496, 34424, 42744, 45347, 51636, 68848, 85488, 90694, 103272, 136041, 181388, 206544, 272082, 362776, 544164, 589511, 725552, 1088328, 1179022, 1768533, 2176656, 2358044, 3537066, 4716088, 7074132, 9432176, 14148264, 28296528]

約数ペア:

[(1, 28296528), (2, 14148264), (3, 9432176), (4, 7074132), (6, 4716088), (8, 3537066), (12, 2358044), (13, 2176656), (16, 1768533), (24, 1179022), (26, 1088328), (39, 725552), (48, 589511), (52, 544164), (78, 362776), (104, 272082), (137, 206544), (156, 181388), (208, 136041), (274, 103272), (312, 90694), (331, 85488), (411, 68848), (548, 51636), (624, 45347), (662, 42744), (822, 34424), (993, 28496), (1096, 25818), (1324, 21372), (1644, 17212), (1781, 15888), (1986, 14248), (2192, 12909), (2648, 10686), (3288, 8606), (3562, 7944), (3972, 7124), (4303, 6576), (5296, 5343)]