8943376

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:144

約数の個数: 80

約数和(自身を含む): 20554240

約数和(自身を除く): 11610864

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 31, 38, 52, 62, 73, 76, 104, 124, 146, 152, 208, 247, 248, 292, 304, 403, 494, 496, 584, 589, 806, 949, 988, 1168, 1178, 1387, 1612, 1898, 1976, 2263, 2356, 2774, 3224, 3796, 3952, 4526, 4712, 5548, 6448, 7592, 7657, 9052, 9424, 11096, 15184, 15314, 18031, 18104, 22192, 29419, 30628, 36062, 36208, 42997, 58838, 61256, 72124, 85994, 117676, 122512, 144248, 171988, 235352, 288496, 343976, 470704, 558961, 687952, 1117922, 2235844, 4471688, 8943376]

約数ペア:

[(1, 8943376), (2, 4471688), (4, 2235844), (8, 1117922), (13, 687952), (16, 558961), (19, 470704), (26, 343976), (31, 288496), (38, 235352), (52, 171988), (62, 144248), (73, 122512), (76, 117676), (104, 85994), (124, 72124), (146, 61256), (152, 58838), (208, 42997), (247, 36208), (248, 36062), (292, 30628), (304, 29419), (403, 22192), (494, 18104), (496, 18031), (584, 15314), (589, 15184), (806, 11096), (949, 9424), (988, 9052), (1168, 7657), (1178, 7592), (1387, 6448), (1612, 5548), (1898, 4712), (1976, 4526), (2263, 3952), (2356, 3796), (2774, 3224)]