389462528

素因数分解:

$2^9\times 7^1\times {\mathrm{13}}^2\times {\mathrm{643}}^1$

素因数の和:694

約数の個数: 120

約数和(自身を含む): 964500768

約数和(自身を除く): 575038240

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 128, 169, 182, 208, 224, 256, 338, 364, 416, 448, 512, 643, 676, 728, 832, 896, 1183, 1286, 1352, 1456, 1664, 1792, 2366, 2572, 2704, 2912, 3328, 3584, 4501, 4732, 5144, 5408, 5824, 6656, 8359, 9002, 9464, 10288, 10816, 11648, 16718, 18004, 18928, 20576, 21632, 23296, 33436, 36008, 37856, 41152, 43264, 46592, 58513, 66872, 72016, 75712, 82304, 86528, 108667, 117026, 133744, 144032, 151424, 164608, 217334, 234052, 267488, 288064, 302848, 329216, 434668, 468104, 534976, 576128, 605696, 760669, 869336, 936208, 1069952, 1152256, 1521338, 1738672, 1872416, 2139904, 2304512, 3042676, 3477344, 3744832, 4279808, 6085352, 6954688, 7489664, 12170704, 13909376, 14979328, 24341408, 27818752, 29958656, 48682816, 55637504, 97365632, 194731264, 389462528]

約数ペア:

[(1, 389462528), (2, 194731264), (4, 97365632), (7, 55637504), (8, 48682816), (13, 29958656), (14, 27818752), (16, 24341408), (26, 14979328), (28, 13909376), (32, 12170704), (52, 7489664), (56, 6954688), (64, 6085352), (91, 4279808), (104, 3744832), (112, 3477344), (128, 3042676), (169, 2304512), (182, 2139904), (208, 1872416), (224, 1738672), (256, 1521338), (338, 1152256), (364, 1069952), (416, 936208), (448, 869336), (512, 760669), (643, 605696), (676, 576128), (728, 534976), (832, 468104), (896, 434668), (1183, 329216), (1286, 302848), (1352, 288064), (1456, 267488), (1664, 234052), (1792, 217334), (2366, 164608), (2572, 151424), (2704, 144032), (2912, 133744), (3328, 117026), (3584, 108667), (4501, 86528), (4732, 82304), (5144, 75712), (5408, 72016), (5824, 66872), (6656, 58513), (8359, 46592), (9002, 43264), (9464, 41152), (10288, 37856), (10816, 36008), (11648, 33436), (16718, 23296), (18004, 21632), (18928, 20576)]