447739136

素因数分解:

$2^8\times {\mathrm{13}}^2\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:252

約数の個数: 108

約数和(自身を含む): 987497280

約数和(自身を除く): 539758144

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 79, 104, 128, 131, 158, 169, 208, 256, 262, 316, 338, 416, 524, 632, 676, 832, 1027, 1048, 1264, 1352, 1664, 1703, 2054, 2096, 2528, 2704, 3328, 3406, 4108, 4192, 5056, 5408, 6812, 8216, 8384, 10112, 10349, 10816, 13351, 13624, 16432, 16768, 20224, 20698, 21632, 22139, 26702, 27248, 32864, 33536, 41396, 43264, 44278, 53404, 54496, 65728, 82792, 88556, 106808, 108992, 131456, 134537, 165584, 177112, 213616, 217984, 262912, 269074, 331168, 354224, 427232, 435968, 538148, 662336, 708448, 854464, 1076296, 1324672, 1416896, 1708928, 1748981, 2152592, 2649344, 2833792, 3417856, 3497962, 4305184, 5667584, 6995924, 8610368, 13991848, 17220736, 27983696, 34441472, 55967392, 111934784, 223869568, 447739136]

約数ペア:

[(1, 447739136), (2, 223869568), (4, 111934784), (8, 55967392), (13, 34441472), (16, 27983696), (26, 17220736), (32, 13991848), (52, 8610368), (64, 6995924), (79, 5667584), (104, 4305184), (128, 3497962), (131, 3417856), (158, 2833792), (169, 2649344), (208, 2152592), (256, 1748981), (262, 1708928), (316, 1416896), (338, 1324672), (416, 1076296), (524, 854464), (632, 708448), (676, 662336), (832, 538148), (1027, 435968), (1048, 427232), (1264, 354224), (1352, 331168), (1664, 269074), (1703, 262912), (2054, 217984), (2096, 213616), (2528, 177112), (2704, 165584), (3328, 134537), (3406, 131456), (4108, 108992), (4192, 106808), (5056, 88556), (5408, 82792), (6812, 65728), (8216, 54496), (8384, 53404), (10112, 44278), (10349, 43264), (10816, 41396), (13351, 33536), (13624, 32864), (16432, 27248), (16768, 26702), (20224, 22139), (20698, 21632)]