31427968

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1$

素因数の和:156

約数の個数: 128

約数和(自身を含む): 78654240

約数和(自身を除く): 47226272

約数列:

[1, 2, 4, 8, 11, 13, 16, 17, 22, 26, 32, 34, 44, 52, 64, 68, 88, 101, 104, 128, 136, 143, 176, 187, 202, 208, 221, 272, 286, 352, 374, 404, 416, 442, 544, 572, 704, 748, 808, 832, 884, 1088, 1111, 1144, 1313, 1408, 1496, 1616, 1664, 1717, 1768, 2176, 2222, 2288, 2431, 2626, 2992, 3232, 3434, 3536, 4444, 4576, 4862, 5252, 5984, 6464, 6868, 7072, 8888, 9152, 9724, 10504, 11968, 12928, 13736, 14144, 14443, 17776, 18304, 18887, 19448, 21008, 22321, 23936, 27472, 28288, 28886, 35552, 37774, 38896, 42016, 44642, 54944, 57772, 71104, 75548, 77792, 84032, 89284, 109888, 115544, 142208, 151096, 155584, 168064, 178568, 219776, 231088, 245531, 302192, 311168, 357136, 462176, 491062, 604384, 714272, 924352, 982124, 1208768, 1428544, 1848704, 1964248, 2417536, 2857088, 3928496, 7856992, 15713984, 31427968]

約数ペア:

[(1, 31427968), (2, 15713984), (4, 7856992), (8, 3928496), (11, 2857088), (13, 2417536), (16, 1964248), (17, 1848704), (22, 1428544), (26, 1208768), (32, 982124), (34, 924352), (44, 714272), (52, 604384), (64, 491062), (68, 462176), (88, 357136), (101, 311168), (104, 302192), (128, 245531), (136, 231088), (143, 219776), (176, 178568), (187, 168064), (202, 155584), (208, 151096), (221, 142208), (272, 115544), (286, 109888), (352, 89284), (374, 84032), (404, 77792), (416, 75548), (442, 71104), (544, 57772), (572, 54944), (704, 44642), (748, 42016), (808, 38896), (832, 37774), (884, 35552), (1088, 28886), (1111, 28288), (1144, 27472), (1313, 23936), (1408, 22321), (1496, 21008), (1616, 19448), (1664, 18887), (1717, 18304), (1768, 17776), (2176, 14443), (2222, 14144), (2288, 13736), (2431, 12928), (2626, 11968), (2992, 10504), (3232, 9724), (3434, 9152), (3536, 8888), (4444, 7072), (4576, 6868), (4862, 6464), (5252, 5984)]