256393808

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{46993}}^1$

素因数の和:47043

約数の個数: 40

約数和(自身を含む): 559416576

約数和(自身を除く): 303022768

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 44, 62, 88, 124, 176, 248, 341, 496, 682, 1364, 2728, 5456, 46993, 93986, 187972, 375944, 516923, 751888, 1033846, 1456783, 2067692, 2913566, 4135384, 5827132, 8270768, 11654264, 16024613, 23308528, 32049226, 64098452, 128196904, 256393808]

約数ペア:

[(1, 256393808), (2, 128196904), (4, 64098452), (8, 32049226), (11, 23308528), (16, 16024613), (22, 11654264), (31, 8270768), (44, 5827132), (62, 4135384), (88, 2913566), (124, 2067692), (176, 1456783), (248, 1033846), (341, 751888), (496, 516923), (682, 375944), (1364, 187972), (2728, 93986), (5456, 46993)]