8172164

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{157}}^1$

素因数の和:205

約数の個数: 72

約数和(自身を含む): 19430208

約数和(自身を除く): 11258044

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 143, 154, 157, 169, 182, 286, 308, 314, 338, 364, 572, 628, 676, 1001, 1099, 1183, 1727, 1859, 2002, 2041, 2198, 2366, 3454, 3718, 4004, 4082, 4396, 4732, 6908, 7436, 8164, 12089, 13013, 14287, 22451, 24178, 26026, 26533, 28574, 44902, 48356, 52052, 53066, 57148, 89804, 106132, 157157, 185731, 291863, 314314, 371462, 583726, 628628, 742924, 1167452, 2043041, 4086082, 8172164]

約数ペア:

[(1, 8172164), (2, 4086082), (4, 2043041), (7, 1167452), (11, 742924), (13, 628628), (14, 583726), (22, 371462), (26, 314314), (28, 291863), (44, 185731), (52, 157157), (77, 106132), (91, 89804), (143, 57148), (154, 53066), (157, 52052), (169, 48356), (182, 44902), (286, 28574), (308, 26533), (314, 26026), (338, 24178), (364, 22451), (572, 14287), (628, 13013), (676, 12089), (1001, 8164), (1099, 7436), (1183, 6908), (1727, 4732), (1859, 4396), (2002, 4082), (2041, 4004), (2198, 3718), (2366, 3454)]