665430688

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{30181}}^1$

素因数の和:30257

約数の個数: 48

約数和(自身を含む): 1437508296

約数和(自身を除く): 772077608

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 53, 104, 106, 208, 212, 416, 424, 689, 848, 1378, 1696, 2756, 5512, 11024, 22048, 30181, 60362, 120724, 241448, 392353, 482896, 784706, 965792, 1569412, 1599593, 3138824, 3199186, 6277648, 6398372, 12555296, 12796744, 20794709, 25593488, 41589418, 51186976, 83178836, 166357672, 332715344, 665430688]

約数ペア:

[(1, 665430688), (2, 332715344), (4, 166357672), (8, 83178836), (13, 51186976), (16, 41589418), (26, 25593488), (32, 20794709), (52, 12796744), (53, 12555296), (104, 6398372), (106, 6277648), (208, 3199186), (212, 3138824), (416, 1599593), (424, 1569412), (689, 965792), (848, 784706), (1378, 482896), (1696, 392353), (2756, 241448), (5512, 120724), (11024, 60362), (22048, 30181)]