81778928

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1619}}^1$

素因数の和:1686

約数の個数: 80

約数和(自身を含む): 202487040

約数和(自身を除く): 120708112

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 41, 44, 56, 77, 82, 88, 112, 154, 164, 176, 287, 308, 328, 451, 574, 616, 656, 902, 1148, 1232, 1619, 1804, 2296, 3157, 3238, 3608, 4592, 6314, 6476, 7216, 11333, 12628, 12952, 17809, 22666, 25256, 25904, 35618, 45332, 50512, 66379, 71236, 90664, 124663, 132758, 142472, 181328, 249326, 265516, 284944, 464653, 498652, 531032, 730169, 929306, 997304, 1062064, 1460338, 1858612, 1994608, 2920676, 3717224, 5111183, 5841352, 7434448, 10222366, 11682704, 20444732, 40889464, 81778928]

約数ペア:

[(1, 81778928), (2, 40889464), (4, 20444732), (7, 11682704), (8, 10222366), (11, 7434448), (14, 5841352), (16, 5111183), (22, 3717224), (28, 2920676), (41, 1994608), (44, 1858612), (56, 1460338), (77, 1062064), (82, 997304), (88, 929306), (112, 730169), (154, 531032), (164, 498652), (176, 464653), (287, 284944), (308, 265516), (328, 249326), (451, 181328), (574, 142472), (616, 132758), (656, 124663), (902, 90664), (1148, 71236), (1232, 66379), (1619, 50512), (1804, 45332), (2296, 35618), (3157, 25904), (3238, 25256), (3608, 22666), (4592, 17809), (6314, 12952), (6476, 12628), (7216, 11333)]