25953356

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{157}}^1$

素因数の和:219

約数の個数: 72

約数和(自身を含む): 57043056

約数和(自身を除く): 31089700

約数列:

[1, 2, 4, 11, 13, 17, 22, 26, 34, 44, 52, 68, 143, 157, 187, 221, 286, 289, 314, 374, 442, 572, 578, 628, 748, 884, 1156, 1727, 2041, 2431, 2669, 3179, 3454, 3757, 4082, 4862, 5338, 6358, 6908, 7514, 8164, 9724, 10676, 12716, 15028, 22451, 29359, 34697, 41327, 44902, 45373, 58718, 69394, 82654, 89804, 90746, 117436, 138788, 165308, 181492, 381667, 499103, 589849, 763334, 998206, 1179698, 1526668, 1996412, 2359396, 6488339, 12976678, 25953356]

約数ペア:

[(1, 25953356), (2, 12976678), (4, 6488339), (11, 2359396), (13, 1996412), (17, 1526668), (22, 1179698), (26, 998206), (34, 763334), (44, 589849), (52, 499103), (68, 381667), (143, 181492), (157, 165308), (187, 138788), (221, 117436), (286, 90746), (289, 89804), (314, 82654), (374, 69394), (442, 58718), (572, 45373), (578, 44902), (628, 41327), (748, 34697), (884, 29359), (1156, 22451), (1727, 15028), (2041, 12716), (2431, 10676), (2669, 9724), (3179, 8164), (3454, 7514), (3757, 6908), (4082, 6358), (4862, 5338)]