81121586

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{167}}^1$

素因数の和:363

約数の個数: 64

約数和(自身を含む): 160538112

約数和(自身を除く): 79416526

約数列:

[1, 2, 7, 13, 14, 17, 26, 34, 91, 119, 157, 167, 182, 221, 238, 314, 334, 442, 1099, 1169, 1547, 2041, 2171, 2198, 2338, 2669, 2839, 3094, 4082, 4342, 5338, 5678, 14287, 15197, 18683, 19873, 26219, 28574, 30394, 34697, 36907, 37366, 39746, 52438, 69394, 73814, 183533, 242879, 258349, 340847, 367066, 445723, 485758, 516698, 681694, 891446, 2385929, 3120061, 4771858, 5794399, 6240122, 11588798, 40560793, 81121586]

約数ペア:

[(1, 81121586), (2, 40560793), (7, 11588798), (13, 6240122), (14, 5794399), (17, 4771858), (26, 3120061), (34, 2385929), (91, 891446), (119, 681694), (157, 516698), (167, 485758), (182, 445723), (221, 367066), (238, 340847), (314, 258349), (334, 242879), (442, 183533), (1099, 73814), (1169, 69394), (1547, 52438), (2041, 39746), (2171, 37366), (2198, 36907), (2338, 34697), (2669, 30394), (2839, 28574), (3094, 26219), (4082, 19873), (4342, 18683), (5338, 15197), (5678, 14287)]