261424904

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{677}}^1$

素因数の和:822

約数の個数: 64

約数和(自身を含む): 546739200

約数和(自身を除く): 285314296

約数列:

[1, 2, 4, 8, 13, 26, 47, 52, 79, 94, 104, 158, 188, 316, 376, 611, 632, 677, 1027, 1222, 1354, 2054, 2444, 2708, 3713, 4108, 4888, 5416, 7426, 8216, 8801, 14852, 17602, 29704, 31819, 35204, 48269, 53483, 63638, 70408, 96538, 106966, 127276, 193076, 213932, 254552, 386152, 413647, 427864, 695279, 827294, 1390558, 1654588, 2513701, 2781116, 3309176, 5027402, 5562232, 10054804, 20109608, 32678113, 65356226, 130712452, 261424904]

約数ペア:

[(1, 261424904), (2, 130712452), (4, 65356226), (8, 32678113), (13, 20109608), (26, 10054804), (47, 5562232), (52, 5027402), (79, 3309176), (94, 2781116), (104, 2513701), (158, 1654588), (188, 1390558), (316, 827294), (376, 695279), (611, 427864), (632, 413647), (677, 386152), (1027, 254552), (1222, 213932), (1354, 193076), (2054, 127276), (2444, 106966), (2708, 96538), (3713, 70408), (4108, 63638), (4888, 53483), (5416, 48269), (7426, 35204), (8216, 31819), (8801, 29704), (14852, 17602)]