638401634

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{5693}}^1$

素因数の和:5954

約数の個数: 32

約数和(自身を含む): 1090514880

約数和(自身を除く): 452113246

約数列:

[1, 2, 13, 19, 26, 38, 227, 247, 454, 494, 2951, 4313, 5693, 5902, 8626, 11386, 56069, 74009, 108167, 112138, 148018, 216334, 1292311, 1406171, 2584622, 2812342, 16800043, 24553909, 33600086, 49107818, 319200817, 638401634]

約数ペア:

[(1, 638401634), (2, 319200817), (13, 49107818), (19, 33600086), (26, 24553909), (38, 16800043), (227, 2812342), (247, 2584622), (454, 1406171), (494, 1292311), (2951, 216334), (4313, 148018), (5693, 112138), (5902, 108167), (8626, 74009), (11386, 56069)]