389612176

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{31259}}^1$

素因数の和:31327

約数の個数: 40

約数和(自身を含む): 814010400

約数和(自身を除く): 424398224

約数列:

[1, 2, 4, 8, 16, 19, 38, 41, 76, 82, 152, 164, 304, 328, 656, 779, 1558, 3116, 6232, 12464, 31259, 62518, 125036, 250072, 500144, 593921, 1187842, 1281619, 2375684, 2563238, 4751368, 5126476, 9502736, 10252952, 20505904, 24350761, 48701522, 97403044, 194806088, 389612176]

約数ペア:

[(1, 389612176), (2, 194806088), (4, 97403044), (8, 48701522), (16, 24350761), (19, 20505904), (38, 10252952), (41, 9502736), (76, 5126476), (82, 4751368), (152, 2563238), (164, 2375684), (304, 1281619), (328, 1187842), (656, 593921), (779, 500144), (1558, 250072), (3116, 125036), (6232, 62518), (12464, 31259)]