65239590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{409}}^2$

素因数の和:841

約数の個数: 48

約数和(自身を含む): 169032528

約数和(自身を除く): 103792938

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 409, 818, 1227, 2045, 2454, 4090, 5317, 6135, 10634, 12270, 15951, 26585, 31902, 53170, 79755, 159510, 167281, 334562, 501843, 836405, 1003686, 1672810, 2174653, 2509215, 4349306, 5018430, 6523959, 10873265, 13047918, 21746530, 32619795, 65239590]

約数ペア:

[(1, 65239590), (2, 32619795), (3, 21746530), (5, 13047918), (6, 10873265), (10, 6523959), (13, 5018430), (15, 4349306), (26, 2509215), (30, 2174653), (39, 1672810), (65, 1003686), (78, 836405), (130, 501843), (195, 334562), (390, 167281), (409, 159510), (818, 79755), (1227, 53170), (2045, 31902), (2454, 26585), (4090, 15951), (5317, 12270), (6135, 10634)]