207328285

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1\times {\mathrm{151}}^1$

素因数の和:421

約数の個数: 32

約数和(自身を含む): 268128000

約数和(自身を除く): 60799715

約数列:

[1, 5, 19, 95, 97, 149, 151, 485, 745, 755, 1843, 2831, 2869, 9215, 14155, 14345, 14453, 14647, 22499, 72265, 73235, 112495, 274607, 278293, 427481, 1373035, 1391465, 2137405, 2182403, 10912015, 41465657, 207328285]

約数ペア:

[(1, 207328285), (5, 41465657), (19, 10912015), (95, 2182403), (97, 2137405), (149, 1391465), (151, 1373035), (485, 427481), (745, 278293), (755, 274607), (1843, 112495), (2831, 73235), (2869, 72265), (9215, 22499), (14155, 14647), (14345, 14453)]