215202390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{551801}}^1$

素因数の和:551824

約数の個数: 32

約数和(自身を含む): 556216416

約数和(自身を除く): 341014026

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 551801, 1103602, 1655403, 2759005, 3310806, 5518010, 7173413, 8277015, 14346826, 16554030, 21520239, 35867065, 43040478, 71734130, 107601195, 215202390]

約数ペア:

[(1, 215202390), (2, 107601195), (3, 71734130), (5, 43040478), (6, 35867065), (10, 21520239), (13, 16554030), (15, 14346826), (26, 8277015), (30, 7173413), (39, 5518010), (65, 3310806), (78, 2759005), (130, 1655403), (195, 1103602), (390, 551801)]