398445229

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{179}}^1\times {\mathrm{401}}^1$

素因数の和:661

約数の個数: 32

約数和(自身を含む): 502467840

約数和(自身を除く): 104022611

約数列:

[1, 7, 13, 61, 91, 179, 401, 427, 793, 1253, 2327, 2807, 5213, 5551, 10919, 16289, 24461, 36491, 71779, 76433, 141947, 171227, 317993, 502453, 933127, 993629, 2225951, 4378519, 6531889, 30649633, 56920747, 398445229]

約数ペア:

[(1, 398445229), (7, 56920747), (13, 30649633), (61, 6531889), (91, 4378519), (179, 2225951), (401, 993629), (427, 933127), (793, 502453), (1253, 317993), (2327, 171227), (2807, 141947), (5213, 76433), (5551, 71779), (10919, 36491), (16289, 24461)]