398435648

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{4937}}^1$

素因数の和:5059

約数の個数: 56

約数和(自身を含む): 860416872

約数和(自身を除く): 461981224

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 97, 104, 194, 208, 388, 416, 776, 832, 1261, 1552, 2522, 3104, 4937, 5044, 6208, 9874, 10088, 19748, 20176, 39496, 40352, 64181, 78992, 80704, 128362, 157984, 256724, 315968, 478889, 513448, 957778, 1026896, 1915556, 2053792, 3831112, 4107584, 6225557, 7662224, 12451114, 15324448, 24902228, 30648896, 49804456, 99608912, 199217824, 398435648]

約数ペア:

[(1, 398435648), (2, 199217824), (4, 99608912), (8, 49804456), (13, 30648896), (16, 24902228), (26, 15324448), (32, 12451114), (52, 7662224), (64, 6225557), (97, 4107584), (104, 3831112), (194, 2053792), (208, 1915556), (388, 1026896), (416, 957778), (776, 513448), (832, 478889), (1261, 315968), (1552, 256724), (2522, 157984), (3104, 128362), (4937, 80704), (5044, 78992), (6208, 64181), (9874, 40352), (10088, 39496), (19748, 20176)]