388622045

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{1427}}^1$

素因数の和:1721

約数の個数: 32

約数和(自身を含む): 552738816

約数和(自身を除く): 164116771

約数列:

[1, 5, 7, 31, 35, 155, 217, 251, 1085, 1255, 1427, 1757, 7135, 7781, 8785, 9989, 38905, 44237, 49945, 54467, 221185, 272335, 309659, 358177, 1548295, 1790885, 2507239, 11103487, 12536195, 55517435, 77724409, 388622045]

約数ペア:

[(1, 388622045), (5, 77724409), (7, 55517435), (31, 12536195), (35, 11103487), (155, 2507239), (217, 1790885), (251, 1548295), (1085, 358177), (1255, 309659), (1427, 272335), (1757, 221185), (7135, 54467), (7781, 49945), (8785, 44237), (9989, 38905)]