71644976

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1$

素因数の和:238

約数の個数: 80

約数和(自身を含む): 156177504

約数和(自身を除く): 84532528

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 53, 67, 97, 104, 106, 134, 194, 208, 212, 268, 388, 424, 536, 689, 776, 848, 871, 1072, 1261, 1378, 1552, 1742, 2522, 2756, 3484, 3551, 5044, 5141, 5512, 6499, 6968, 7102, 10088, 10282, 11024, 12998, 13936, 14204, 20176, 20564, 25996, 28408, 41128, 46163, 51992, 56816, 66833, 82256, 84487, 92326, 103984, 133666, 168974, 184652, 267332, 337948, 344447, 369304, 534664, 675896, 688894, 738608, 1069328, 1351792, 1377788, 2755576, 4477811, 5511152, 8955622, 17911244, 35822488, 71644976]

約数ペア:

[(1, 71644976), (2, 35822488), (4, 17911244), (8, 8955622), (13, 5511152), (16, 4477811), (26, 2755576), (52, 1377788), (53, 1351792), (67, 1069328), (97, 738608), (104, 688894), (106, 675896), (134, 534664), (194, 369304), (208, 344447), (212, 337948), (268, 267332), (388, 184652), (424, 168974), (536, 133666), (689, 103984), (776, 92326), (848, 84487), (871, 82256), (1072, 66833), (1261, 56816), (1378, 51992), (1552, 46163), (1742, 41128), (2522, 28408), (2756, 25996), (3484, 20564), (3551, 20176), (5044, 14204), (5141, 13936), (5512, 12998), (6499, 11024), (6968, 10282), (7102, 10088)]