71887744

素因数分解:

$2^7\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{353}}^1$

素因数の和:447

約数の個数: 64

約数和(自身を含む): 150931440

約数和(自身を除く): 79043696

約数列:

[1, 2, 4, 8, 16, 32, 37, 43, 64, 74, 86, 128, 148, 172, 296, 344, 353, 592, 688, 706, 1184, 1376, 1412, 1591, 2368, 2752, 2824, 3182, 4736, 5504, 5648, 6364, 11296, 12728, 13061, 15179, 22592, 25456, 26122, 30358, 45184, 50912, 52244, 60716, 101824, 104488, 121432, 203648, 208976, 242864, 417952, 485728, 561623, 835904, 971456, 1123246, 1671808, 1942912, 2246492, 4492984, 8985968, 17971936, 35943872, 71887744]

約数ペア:

[(1, 71887744), (2, 35943872), (4, 17971936), (8, 8985968), (16, 4492984), (32, 2246492), (37, 1942912), (43, 1671808), (64, 1123246), (74, 971456), (86, 835904), (128, 561623), (148, 485728), (172, 417952), (296, 242864), (344, 208976), (353, 203648), (592, 121432), (688, 104488), (706, 101824), (1184, 60716), (1376, 52244), (1412, 50912), (1591, 45184), (2368, 30358), (2752, 26122), (2824, 25456), (3182, 22592), (4736, 15179), (5504, 13061), (5648, 12728), (6364, 11296)]