213724225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{313}}^1$

素因数の和:538

約数の個数: 48

約数和(自身を含む): 313979904

約数和(自身を除く): 100255679

約数列:

[1, 5, 11, 13, 25, 55, 65, 143, 191, 275, 313, 325, 715, 955, 1565, 2101, 2483, 3443, 3575, 4069, 4775, 7825, 10505, 12415, 17215, 20345, 27313, 44759, 52525, 59783, 62075, 86075, 101725, 136565, 223795, 298915, 657613, 682825, 777179, 1118975, 1494575, 3288065, 3885895, 8548969, 16440325, 19429475, 42744845, 213724225]

約数ペア:

[(1, 213724225), (5, 42744845), (11, 19429475), (13, 16440325), (25, 8548969), (55, 3885895), (65, 3288065), (143, 1494575), (191, 1118975), (275, 777179), (313, 682825), (325, 657613), (715, 298915), (955, 223795), (1565, 136565), (2101, 101725), (2483, 86075), (3443, 62075), (3575, 59783), (4069, 52525), (4775, 44759), (7825, 27313), (10505, 20345), (12415, 17215)]