389736256

素因数分解:

$2^6\times 7^1\times {\mathrm{13}}^1\times {\mathrm{66919}}^1$

素因数の和:66951

約数の個数: 56

約数和(自身を含む): 951870080

約数和(自身を除く): 562133824

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 182, 208, 224, 364, 416, 448, 728, 832, 1456, 2912, 5824, 66919, 133838, 267676, 468433, 535352, 869947, 936866, 1070704, 1739894, 1873732, 2141408, 3479788, 3747464, 4282816, 6089629, 6959576, 7494928, 12179258, 13919152, 14989856, 24358516, 27838304, 29979712, 48717032, 55676608, 97434064, 194868128, 389736256]

約数ペア:

[(1, 389736256), (2, 194868128), (4, 97434064), (7, 55676608), (8, 48717032), (13, 29979712), (14, 27838304), (16, 24358516), (26, 14989856), (28, 13919152), (32, 12179258), (52, 7494928), (56, 6959576), (64, 6089629), (91, 4282816), (104, 3747464), (112, 3479788), (182, 2141408), (208, 1873732), (224, 1739894), (364, 1070704), (416, 936866), (448, 869947), (728, 535352), (832, 468433), (1456, 267676), (2912, 133838), (5824, 66919)]