289707965

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{251}}^1\times {\mathrm{367}}^1$

素因数の和:677

約数の個数: 32

約数和(自身を含む): 380588544

約数和(自身を除く): 90880579

約数列:

[1, 5, 17, 37, 85, 185, 251, 367, 629, 1255, 1835, 3145, 4267, 6239, 9287, 13579, 21335, 31195, 46435, 67895, 92117, 157879, 230843, 460585, 789395, 1154215, 1565989, 3408329, 7829945, 17041645, 57941593, 289707965]

約数ペア:

[(1, 289707965), (5, 57941593), (17, 17041645), (37, 7829945), (85, 3408329), (185, 1565989), (251, 1154215), (367, 789395), (629, 460585), (1255, 230843), (1835, 157879), (3145, 92117), (4267, 67895), (6239, 46435), (9287, 31195), (13579, 21335)]