215156864

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:198

約数の個数: 128

約数和(自身を含む): 492602880

約数和(自身を除く): 277446016

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 43, 52, 62, 64, 86, 97, 104, 124, 128, 172, 194, 208, 248, 344, 388, 403, 416, 496, 559, 688, 776, 806, 832, 992, 1118, 1261, 1333, 1376, 1552, 1612, 1664, 1984, 2236, 2522, 2666, 2752, 3007, 3104, 3224, 3968, 4171, 4472, 5044, 5332, 5504, 6014, 6208, 6448, 8342, 8944, 10088, 10664, 12028, 12416, 12896, 16684, 17329, 17888, 20176, 21328, 24056, 25792, 33368, 34658, 35776, 39091, 40352, 42656, 48112, 51584, 54223, 66736, 69316, 71552, 78182, 80704, 85312, 96224, 108446, 129301, 133472, 138632, 156364, 161408, 170624, 192448, 216892, 258602, 266944, 277264, 312728, 384896, 433784, 517204, 533888, 554528, 625456, 867568, 1034408, 1109056, 1250912, 1680913, 1735136, 2068816, 2218112, 2501824, 3361826, 3470272, 4137632, 5003648, 6723652, 6940544, 8275264, 13447304, 16550528, 26894608, 53789216, 107578432, 215156864]

約数ペア:

[(1, 215156864), (2, 107578432), (4, 53789216), (8, 26894608), (13, 16550528), (16, 13447304), (26, 8275264), (31, 6940544), (32, 6723652), (43, 5003648), (52, 4137632), (62, 3470272), (64, 3361826), (86, 2501824), (97, 2218112), (104, 2068816), (124, 1735136), (128, 1680913), (172, 1250912), (194, 1109056), (208, 1034408), (248, 867568), (344, 625456), (388, 554528), (403, 533888), (416, 517204), (496, 433784), (559, 384896), (688, 312728), (776, 277264), (806, 266944), (832, 258602), (992, 216892), (1118, 192448), (1261, 170624), (1333, 161408), (1376, 156364), (1552, 138632), (1612, 133472), (1664, 129301), (1984, 108446), (2236, 96224), (2522, 85312), (2666, 80704), (2752, 78182), (3007, 71552), (3104, 69316), (3224, 66736), (3968, 54223), (4171, 51584), (4472, 48112), (5044, 42656), (5332, 40352), (5504, 39091), (6014, 35776), (6208, 34658), (6448, 33368), (8342, 25792), (8944, 24056), (10088, 21328), (10664, 20176), (12028, 17888), (12416, 17329), (12896, 16684)]