201998576

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{647}}^1$

素因数の和:766

約数の個数: 80

約数和(自身を含む): 449971200

約数和(自身を除く): 247972624

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 79, 104, 152, 158, 208, 247, 304, 316, 494, 632, 647, 988, 1027, 1264, 1294, 1501, 1976, 2054, 2588, 3002, 3952, 4108, 5176, 6004, 8216, 8411, 10352, 12008, 12293, 16432, 16822, 19513, 24016, 24586, 33644, 39026, 49172, 51113, 67288, 78052, 98344, 102226, 134576, 156104, 159809, 196688, 204452, 312208, 319618, 408904, 639236, 664469, 817808, 971147, 1278472, 1328938, 1942294, 2556944, 2657876, 3884588, 5315752, 7769176, 10631504, 12624911, 15538352, 25249822, 50499644, 100999288, 201998576]

約数ペア:

[(1, 201998576), (2, 100999288), (4, 50499644), (8, 25249822), (13, 15538352), (16, 12624911), (19, 10631504), (26, 7769176), (38, 5315752), (52, 3884588), (76, 2657876), (79, 2556944), (104, 1942294), (152, 1328938), (158, 1278472), (208, 971147), (247, 817808), (304, 664469), (316, 639236), (494, 408904), (632, 319618), (647, 312208), (988, 204452), (1027, 196688), (1264, 159809), (1294, 156104), (1501, 134576), (1976, 102226), (2054, 98344), (2588, 78052), (3002, 67288), (3952, 51113), (4108, 49172), (5176, 39026), (6004, 33644), (8216, 24586), (8411, 24016), (10352, 19513), (12008, 16822), (12293, 16432)]