247598975

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{397}}^1$

素因数の和:540

約数の個数: 48

約数和(自身を含む): 352373280

約数和(自身を除く): 104774305

約数列:

[1, 5, 13, 19, 25, 65, 95, 101, 247, 325, 397, 475, 505, 1235, 1313, 1919, 1985, 2525, 5161, 6175, 6565, 7543, 9595, 9925, 24947, 25805, 32825, 37715, 40097, 47975, 98059, 124735, 129025, 188575, 200485, 490295, 521261, 623675, 761843, 1002425, 2451475, 2606305, 3809215, 9903959, 13031525, 19046075, 49519795, 247598975]

約数ペア:

[(1, 247598975), (5, 49519795), (13, 19046075), (19, 13031525), (25, 9903959), (65, 3809215), (95, 2606305), (101, 2451475), (247, 1002425), (325, 761843), (397, 623675), (475, 521261), (505, 490295), (1235, 200485), (1313, 188575), (1919, 129025), (1985, 124735), (2525, 98059), (5161, 47975), (6175, 40097), (6565, 37715), (7543, 32825), (9595, 25805), (9925, 24947)]