31449474

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{181}}^1\times {\mathrm{197}}^1$

素因数の和:400

約数の個数: 72

約数和(自身を含む): 80108028

約数和(自身を除く): 48658554

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 181, 197, 294, 362, 394, 441, 543, 591, 882, 1086, 1182, 1267, 1379, 1629, 1773, 2534, 2758, 3258, 3546, 3801, 4137, 7602, 8274, 8869, 9653, 11403, 12411, 17738, 19306, 22806, 24822, 26607, 28959, 35657, 53214, 57918, 71314, 79821, 86877, 106971, 159642, 173754, 213942, 249599, 320913, 499198, 641826, 748797, 1497594, 1747193, 2246391, 3494386, 4492782, 5241579, 10483158, 15724737, 31449474]

約数ペア:

[(1, 31449474), (2, 15724737), (3, 10483158), (6, 5241579), (7, 4492782), (9, 3494386), (14, 2246391), (18, 1747193), (21, 1497594), (42, 748797), (49, 641826), (63, 499198), (98, 320913), (126, 249599), (147, 213942), (181, 173754), (197, 159642), (294, 106971), (362, 86877), (394, 79821), (441, 71314), (543, 57918), (591, 53214), (882, 35657), (1086, 28959), (1182, 26607), (1267, 24822), (1379, 22806), (1629, 19306), (1773, 17738), (2534, 12411), (2758, 11403), (3258, 9653), (3546, 8869), (3801, 8274), (4137, 7602)]