72566319

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:220

約数の個数: 64

約数和(自身を含む): 123863040

約数和(自身を除く): 51296721

約数列:

[1, 3, 7, 17, 21, 31, 51, 79, 83, 93, 119, 217, 237, 249, 357, 527, 553, 581, 651, 1343, 1411, 1581, 1659, 1743, 2449, 2573, 3689, 4029, 4233, 6557, 7347, 7719, 9401, 9877, 11067, 17143, 18011, 19671, 28203, 29631, 41633, 43741, 45899, 51429, 54033, 111469, 124899, 131223, 137697, 203267, 291431, 306187, 334407, 609801, 780283, 874293, 918561, 1422869, 2340849, 3455539, 4268607, 10366617, 24188773, 72566319]

約数ペア:

[(1, 72566319), (3, 24188773), (7, 10366617), (17, 4268607), (21, 3455539), (31, 2340849), (51, 1422869), (79, 918561), (83, 874293), (93, 780283), (119, 609801), (217, 334407), (237, 306187), (249, 291431), (357, 203267), (527, 137697), (553, 131223), (581, 124899), (651, 111469), (1343, 54033), (1411, 51429), (1581, 45899), (1659, 43741), (1743, 41633), (2449, 29631), (2573, 28203), (3689, 19671), (4029, 18011), (4233, 17143), (6557, 11067), (7347, 9877), (7719, 9401)]