3990688

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1$

素因数の和:257

約数の個数: 48

約数和(自身を含む): 8668296

約数和(自身を除く): 4677608

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 53, 104, 106, 181, 208, 212, 362, 416, 424, 689, 724, 848, 1378, 1448, 1696, 2353, 2756, 2896, 4706, 5512, 5792, 9412, 9593, 11024, 18824, 19186, 22048, 37648, 38372, 75296, 76744, 124709, 153488, 249418, 306976, 498836, 997672, 1995344, 3990688]

約数ペア:

[(1, 3990688), (2, 1995344), (4, 997672), (8, 498836), (13, 306976), (16, 249418), (26, 153488), (32, 124709), (52, 76744), (53, 75296), (104, 38372), (106, 37648), (181, 22048), (208, 19186), (212, 18824), (362, 11024), (416, 9593), (424, 9412), (689, 5792), (724, 5512), (848, 4706), (1378, 2896), (1448, 2756), (1696, 2353)]