209437498972

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{3109}}^1\times {\mathrm{24443}}^1$

素因数の和:27622

約数の個数: 48

約数和(自身を含む): 402302285280

約数和(自身を除く): 192864786308

約数列:

[1, 2, 4, 13, 26, 52, 53, 106, 212, 689, 1378, 2756, 3109, 6218, 12436, 24443, 40417, 48886, 80834, 97772, 161668, 164777, 317759, 329554, 635518, 659108, 1271036, 1295479, 2142101, 2590958, 4284202, 5181916, 8568404, 16841227, 33682454, 67364908, 75993287, 151986574, 303973148, 987912731, 1975825462, 3951650924, 4027644211, 8055288422, 16110576844, 52359374743, 104718749486, 209437498972]

約数ペア:

[(1, 209437498972), (2, 104718749486), (4, 52359374743), (13, 16110576844), (26, 8055288422), (52, 4027644211), (53, 3951650924), (106, 1975825462), (212, 987912731), (689, 303973148), (1378, 151986574), (2756, 75993287), (3109, 67364908), (6218, 33682454), (12436, 16841227), (24443, 8568404), (40417, 5181916), (48886, 4284202), (80834, 2590958), (97772, 2142101), (161668, 1295479), (164777, 1271036), (317759, 659108), (329554, 635518)]