388919256

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{20749}}^1$

素因数の和:20840

約数の個数: 64

約数和(自身を含む): 1075680000

約数和(自身を除く): 686760744

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 71, 88, 132, 142, 213, 264, 284, 426, 568, 781, 852, 1562, 1704, 2343, 3124, 4686, 6248, 9372, 18744, 20749, 41498, 62247, 82996, 124494, 165992, 228239, 248988, 456478, 497976, 684717, 912956, 1369434, 1473179, 1825912, 2738868, 2946358, 4419537, 5477736, 5892716, 8839074, 11785432, 16204969, 17678148, 32409938, 35356296, 48614907, 64819876, 97229814, 129639752, 194459628, 388919256]

約数ペア:

[(1, 388919256), (2, 194459628), (3, 129639752), (4, 97229814), (6, 64819876), (8, 48614907), (11, 35356296), (12, 32409938), (22, 17678148), (24, 16204969), (33, 11785432), (44, 8839074), (66, 5892716), (71, 5477736), (88, 4419537), (132, 2946358), (142, 2738868), (213, 1825912), (264, 1473179), (284, 1369434), (426, 912956), (568, 684717), (781, 497976), (852, 456478), (1562, 248988), (1704, 228239), (2343, 165992), (3124, 124494), (4686, 82996), (6248, 62247), (9372, 41498), (18744, 20749)]