51878944

素因数分解:

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

素因数の和:270

約数の個数: 72

約数和(自身を含む): 113307012

約数和(自身を除く): 61428068

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 53, 104, 106, 169, 181, 208, 212, 338, 362, 416, 424, 676, 689, 724, 848, 1352, 1378, 1448, 1696, 2353, 2704, 2756, 2896, 4706, 5408, 5512, 5792, 8957, 9412, 9593, 11024, 17914, 18824, 19186, 22048, 30589, 35828, 37648, 38372, 61178, 71656, 75296, 76744, 122356, 124709, 143312, 153488, 244712, 249418, 286624, 306976, 489424, 498836, 978848, 997672, 1621217, 1995344, 3242434, 3990688, 6484868, 12969736, 25939472, 51878944]

約数ペア:

[(1, 51878944), (2, 25939472), (4, 12969736), (8, 6484868), (13, 3990688), (16, 3242434), (26, 1995344), (32, 1621217), (52, 997672), (53, 978848), (104, 498836), (106, 489424), (169, 306976), (181, 286624), (208, 249418), (212, 244712), (338, 153488), (362, 143312), (416, 124709), (424, 122356), (676, 76744), (689, 75296), (724, 71656), (848, 61178), (1352, 38372), (1378, 37648), (1448, 35828), (1696, 30589), (2353, 22048), (2704, 19186), (2756, 18824), (2896, 17914), (4706, 11024), (5408, 9593), (5512, 9412), (5792, 8957)]