428774528

素因数分解:

$2^7\times 7^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{281}}^1$

素因数の和:446

約数の個数: 128

約数和(自身を含む): 1063117440

約数和(自身を除く): 634342912

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 128, 131, 182, 208, 224, 262, 281, 364, 416, 448, 524, 562, 728, 832, 896, 917, 1048, 1124, 1456, 1664, 1703, 1834, 1967, 2096, 2248, 2912, 3406, 3653, 3668, 3934, 4192, 4496, 5824, 6812, 7306, 7336, 7868, 8384, 8992, 11648, 11921, 13624, 14612, 14672, 15736, 16768, 17984, 23842, 25571, 27248, 29224, 29344, 31472, 35968, 36811, 47684, 51142, 54496, 58448, 58688, 62944, 73622, 95368, 102284, 108992, 116896, 117376, 125888, 147244, 190736, 204568, 217984, 233792, 251776, 257677, 294488, 381472, 409136, 467584, 478543, 515354, 588976, 762944, 818272, 957086, 1030708, 1177952, 1525888, 1636544, 1914172, 2061416, 2355904, 3273088, 3349801, 3828344, 4122832, 4711808, 6699602, 7656688, 8245664, 13399204, 15313376, 16491328, 26798408, 30626752, 32982656, 53596816, 61253504, 107193632, 214387264, 428774528]

約数ペア:

[(1, 428774528), (2, 214387264), (4, 107193632), (7, 61253504), (8, 53596816), (13, 32982656), (14, 30626752), (16, 26798408), (26, 16491328), (28, 15313376), (32, 13399204), (52, 8245664), (56, 7656688), (64, 6699602), (91, 4711808), (104, 4122832), (112, 3828344), (128, 3349801), (131, 3273088), (182, 2355904), (208, 2061416), (224, 1914172), (262, 1636544), (281, 1525888), (364, 1177952), (416, 1030708), (448, 957086), (524, 818272), (562, 762944), (728, 588976), (832, 515354), (896, 478543), (917, 467584), (1048, 409136), (1124, 381472), (1456, 294488), (1664, 257677), (1703, 251776), (1834, 233792), (1967, 217984), (2096, 204568), (2248, 190736), (2912, 147244), (3406, 125888), (3653, 117376), (3668, 116896), (3934, 108992), (4192, 102284), (4496, 95368), (5824, 73622), (6812, 62944), (7306, 58688), (7336, 58448), (7868, 54496), (8384, 51142), (8992, 47684), (11648, 36811), (11921, 35968), (13624, 31472), (14612, 29344), (14672, 29224), (15736, 27248), (16768, 25571), (17984, 23842)]