388889748

素因数分解:

$2^2\times 3^4\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{727}}^1$

素因数の和:883

約数の個数: 120

約数和(自身を含む): 1104975872

約数和(自身を除く): 716086124

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 81, 108, 117, 127, 156, 162, 234, 254, 324, 351, 381, 468, 508, 702, 727, 762, 1053, 1143, 1404, 1454, 1524, 1651, 2106, 2181, 2286, 2908, 3302, 3429, 4212, 4362, 4572, 4953, 6543, 6604, 6858, 8724, 9451, 9906, 10287, 13086, 13716, 14859, 18902, 19629, 19812, 20574, 26172, 28353, 29718, 37804, 39258, 41148, 44577, 56706, 58887, 59436, 78516, 85059, 89154, 92329, 113412, 117774, 133731, 170118, 178308, 184658, 235548, 255177, 267462, 276987, 340236, 369316, 510354, 534924, 553974, 765531, 830961, 1020708, 1107948, 1200277, 1531062, 1661922, 2400554, 2492883, 3062124, 3323844, 3600831, 4801108, 4985766, 7201662, 7478649, 9971532, 10802493, 14403324, 14957298, 21604986, 29914596, 32407479, 43209972, 64814958, 97222437, 129629916, 194444874, 388889748]

約数ペア:

[(1, 388889748), (2, 194444874), (3, 129629916), (4, 97222437), (6, 64814958), (9, 43209972), (12, 32407479), (13, 29914596), (18, 21604986), (26, 14957298), (27, 14403324), (36, 10802493), (39, 9971532), (52, 7478649), (54, 7201662), (78, 4985766), (81, 4801108), (108, 3600831), (117, 3323844), (127, 3062124), (156, 2492883), (162, 2400554), (234, 1661922), (254, 1531062), (324, 1200277), (351, 1107948), (381, 1020708), (468, 830961), (508, 765531), (702, 553974), (727, 534924), (762, 510354), (1053, 369316), (1143, 340236), (1404, 276987), (1454, 267462), (1524, 255177), (1651, 235548), (2106, 184658), (2181, 178308), (2286, 170118), (2908, 133731), (3302, 117774), (3429, 113412), (4212, 92329), (4362, 89154), (4572, 85059), (4953, 78516), (6543, 59436), (6604, 58887), (6858, 56706), (8724, 44577), (9451, 41148), (9906, 39258), (10287, 37804), (13086, 29718), (13716, 28353), (14859, 26172), (18902, 20574), (19629, 19812)]