81145352

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1013}}^1$

素因数の和:1086

約数の個数: 64

約数和(自身を含む): 175219200

約数和(自身を除く): 94073848

約数列:

[1, 2, 4, 8, 17, 19, 31, 34, 38, 62, 68, 76, 124, 136, 152, 248, 323, 527, 589, 646, 1013, 1054, 1178, 1292, 2026, 2108, 2356, 2584, 4052, 4216, 4712, 8104, 10013, 17221, 19247, 20026, 31403, 34442, 38494, 40052, 62806, 68884, 76988, 80104, 125612, 137768, 153976, 251224, 327199, 533851, 596657, 654398, 1067702, 1193314, 1308796, 2135404, 2386628, 2617592, 4270808, 4773256, 10143169, 20286338, 40572676, 81145352]

約数ペア:

[(1, 81145352), (2, 40572676), (4, 20286338), (8, 10143169), (17, 4773256), (19, 4270808), (31, 2617592), (34, 2386628), (38, 2135404), (62, 1308796), (68, 1193314), (76, 1067702), (124, 654398), (136, 596657), (152, 533851), (248, 327199), (323, 251224), (527, 153976), (589, 137768), (646, 125612), (1013, 80104), (1054, 76988), (1178, 68884), (1292, 62806), (2026, 40052), (2108, 38494), (2356, 34442), (2584, 31403), (4052, 20026), (4216, 19247), (4712, 17221), (8104, 10013)]