2191995575

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{599}}^1\times {\mathrm{1901}}^1$

素因数の和:2528

約数の個数: 48

約数和(自身を含む): 3396211200

約数和(自身を除く): 1204215625

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 175, 275, 385, 599, 1901, 1925, 2995, 4193, 6589, 9505, 13307, 14975, 20911, 20965, 32945, 46123, 47525, 66535, 104555, 104825, 146377, 164725, 230615, 332675, 522775, 731885, 1138699, 1153075, 3659425, 5693495, 7970893, 12525689, 28467475, 39854465, 62628445, 87679823, 199272325, 313142225, 438399115, 2191995575]

約数ペア:

[(1, 2191995575), (5, 438399115), (7, 313142225), (11, 199272325), (25, 87679823), (35, 62628445), (55, 39854465), (77, 28467475), (175, 12525689), (275, 7970893), (385, 5693495), (599, 3659425), (1901, 1153075), (1925, 1138699), (2995, 731885), (4193, 522775), (6589, 332675), (9505, 230615), (13307, 164725), (14975, 146377), (20911, 104825), (20965, 104555), (32945, 66535), (46123, 47525)]