199976790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{512761}}^1$

素因数の和:512784

約数の個数: 32

約数和(自身を含む): 516864096

約数和(自身を除く): 316887306

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 512761, 1025522, 1538283, 2563805, 3076566, 5127610, 6665893, 7691415, 13331786, 15382830, 19997679, 33329465, 39995358, 66658930, 99988395, 199976790]

約数ペア:

[(1, 199976790), (2, 99988395), (3, 66658930), (5, 39995358), (6, 33329465), (10, 19997679), (13, 15382830), (15, 13331786), (26, 7691415), (30, 6665893), (39, 5127610), (65, 3076566), (78, 2563805), (130, 1538283), (195, 1025522), (390, 512761)]