281131566478

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2213}}^1\times {\mathrm{394523}}^1$

素因数の和:396768

約数の個数: 32

約数和(自身を含む): 503122254336

約数和(自身を除く): 221990687858

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 2213, 4426, 15491, 30982, 50899, 101798, 356293, 394523, 712586, 789046, 2761661, 5523322, 9074029, 18148058, 63518203, 127036406, 873079399, 1746158798, 6111555793, 12223111586, 20080826177, 40161652354, 140565783239, 281131566478]

約数ペア:

[(1, 281131566478), (2, 140565783239), (7, 40161652354), (14, 20080826177), (23, 12223111586), (46, 6111555793), (161, 1746158798), (322, 873079399), (2213, 127036406), (4426, 63518203), (15491, 18148058), (30982, 9074029), (50899, 5523322), (101798, 2761661), (356293, 789046), (394523, 712586)]