819650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{97}}^1$

素因数の和:135

約数の個数: 36

約数和(自身を含む): 1667862

約数和(自身を除く): 848212

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 97, 130, 169, 194, 325, 338, 485, 650, 845, 970, 1261, 1690, 2425, 2522, 4225, 4850, 6305, 8450, 12610, 16393, 31525, 32786, 63050, 81965, 163930, 409825, 819650]

約数ペア:

[(1, 819650), (2, 409825), (5, 163930), (10, 81965), (13, 63050), (25, 32786), (26, 31525), (50, 16393), (65, 12610), (97, 8450), (130, 6305), (169, 4850), (194, 4225), (325, 2522), (338, 2425), (485, 1690), (650, 1261), (845, 970)]