218191225

素因数分解:

$5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{359}}^1$

素因数の和:550

約数の個数: 48

約数和(自身を含む): 325693440

約数和(自身を除く): 107502215

約数列:

[1, 5, 7, 23, 25, 35, 115, 151, 161, 175, 359, 575, 755, 805, 1057, 1795, 2513, 3473, 3775, 4025, 5285, 8257, 8975, 12565, 17365, 24311, 26425, 41285, 54209, 57799, 62825, 86825, 121555, 206425, 271045, 288995, 379463, 607775, 1246807, 1355225, 1444975, 1897315, 6234035, 8727649, 9486575, 31170175, 43638245, 218191225]

約数ペア:

[(1, 218191225), (5, 43638245), (7, 31170175), (23, 9486575), (25, 8727649), (35, 6234035), (115, 1897315), (151, 1444975), (161, 1355225), (175, 1246807), (359, 607775), (575, 379463), (755, 288995), (805, 271045), (1057, 206425), (1795, 121555), (2513, 86825), (3473, 62825), (3775, 57799), (4025, 54209), (5285, 41285), (8257, 26425), (8975, 24311), (12565, 17365)]