28494004

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1303}}^1$

素因数の和:1396

約数の個数: 48

約数和(自身を含む): 63092736

約数和(自身を除く): 34598732

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 71, 77, 142, 154, 284, 308, 497, 781, 994, 1303, 1562, 1988, 2606, 3124, 5212, 5467, 9121, 10934, 14333, 18242, 21868, 28666, 36484, 57332, 92513, 100331, 185026, 200662, 370052, 401324, 647591, 1017643, 1295182, 2035286, 2590364, 4070572, 7123501, 14247002, 28494004]

約数ペア:

[(1, 28494004), (2, 14247002), (4, 7123501), (7, 4070572), (11, 2590364), (14, 2035286), (22, 1295182), (28, 1017643), (44, 647591), (71, 401324), (77, 370052), (142, 200662), (154, 185026), (284, 100331), (308, 92513), (497, 57332), (781, 36484), (994, 28666), (1303, 21868), (1562, 18242), (1988, 14333), (2606, 10934), (3124, 9121), (5212, 5467)]