78726492

素因数分解:

$2^2\times 3^4\times {\mathrm{13}}^1\times {\mathrm{18691}}^1$

素因数の和:18720

約数の個数: 60

約数和(自身を含む): 221649736

約数和(自身を除く): 142923244

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 81, 108, 117, 156, 162, 234, 324, 351, 468, 702, 1053, 1404, 2106, 4212, 18691, 37382, 56073, 74764, 112146, 168219, 224292, 242983, 336438, 485966, 504657, 672876, 728949, 971932, 1009314, 1457898, 1513971, 2018628, 2186847, 2915796, 3027942, 4373694, 6055884, 6560541, 8747388, 13121082, 19681623, 26242164, 39363246, 78726492]

約数ペア:

[(1, 78726492), (2, 39363246), (3, 26242164), (4, 19681623), (6, 13121082), (9, 8747388), (12, 6560541), (13, 6055884), (18, 4373694), (26, 3027942), (27, 2915796), (36, 2186847), (39, 2018628), (52, 1513971), (54, 1457898), (78, 1009314), (81, 971932), (108, 728949), (117, 672876), (156, 504657), (162, 485966), (234, 336438), (324, 242983), (351, 224292), (468, 168219), (702, 112146), (1053, 74764), (1404, 56073), (2106, 37382), (4212, 18691)]