69995492

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{257}}^1$

素因数の和:476

約数の個数: 48

約数和(自身を含む): 143555328

約数和(自身を除く): 73559836

約数列:

[1, 2, 4, 7, 14, 28, 71, 137, 142, 257, 274, 284, 497, 514, 548, 959, 994, 1028, 1799, 1918, 1988, 3598, 3836, 7196, 9727, 18247, 19454, 35209, 36494, 38908, 68089, 70418, 72988, 127729, 136178, 140836, 246463, 255458, 272356, 492926, 510916, 985852, 2499839, 4999678, 9999356, 17498873, 34997746, 69995492]

約数ペア:

[(1, 69995492), (2, 34997746), (4, 17498873), (7, 9999356), (14, 4999678), (28, 2499839), (71, 985852), (137, 510916), (142, 492926), (257, 272356), (274, 255458), (284, 246463), (497, 140836), (514, 136178), (548, 127729), (959, 72988), (994, 70418), (1028, 68089), (1799, 38908), (1918, 36494), (1988, 35209), (3598, 19454), (3836, 18247), (7196, 9727)]