81231072

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{65089}}^1$

素因数の和:65115

約数の個数: 48

約数和(自身を含む): 229637520

約数和(自身を除く): 148406448

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 96, 104, 156, 208, 312, 416, 624, 1248, 65089, 130178, 195267, 260356, 390534, 520712, 781068, 846157, 1041424, 1562136, 1692314, 2082848, 2538471, 3124272, 3384628, 5076942, 6248544, 6769256, 10153884, 13538512, 20307768, 27077024, 40615536, 81231072]

約数ペア:

[(1, 81231072), (2, 40615536), (3, 27077024), (4, 20307768), (6, 13538512), (8, 10153884), (12, 6769256), (13, 6248544), (16, 5076942), (24, 3384628), (26, 3124272), (32, 2538471), (39, 2082848), (48, 1692314), (52, 1562136), (78, 1041424), (96, 846157), (104, 781068), (156, 520712), (208, 390534), (312, 260356), (416, 195267), (624, 130178), (1248, 65089)]