78828915

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{179}}^1$

素因数の和:372

約数の個数: 64

約数和(自身を含む): 147432960

約数和(自身を除く): 68604045

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 85, 157, 165, 179, 187, 255, 471, 537, 561, 785, 895, 935, 1727, 1969, 2355, 2669, 2685, 2805, 3043, 5181, 5907, 8007, 8635, 9129, 9845, 13345, 15215, 25905, 28103, 29359, 29535, 33473, 40035, 45645, 84309, 88077, 100419, 140515, 146795, 167365, 309133, 421545, 440385, 477751, 502095, 927399, 1433253, 1545665, 2388755, 4636995, 5255261, 7166265, 15765783, 26276305, 78828915]

約数ペア:

[(1, 78828915), (3, 26276305), (5, 15765783), (11, 7166265), (15, 5255261), (17, 4636995), (33, 2388755), (51, 1545665), (55, 1433253), (85, 927399), (157, 502095), (165, 477751), (179, 440385), (187, 421545), (255, 309133), (471, 167365), (537, 146795), (561, 140515), (785, 100419), (895, 88077), (935, 84309), (1727, 45645), (1969, 40035), (2355, 33473), (2669, 29535), (2685, 29359), (2805, 28103), (3043, 25905), (5181, 15215), (5907, 13345), (8007, 9845), (8635, 9129)]