156996970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{619}}^1\times {\mathrm{1951}}^1$

素因数の和:2590

約数の個数: 32

約数和(自身を含む): 304980480

約数和(自身を除く): 147983510

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 619, 1238, 1951, 3095, 3902, 6190, 8047, 9755, 16094, 19510, 25363, 40235, 50726, 80470, 126815, 253630, 1207669, 2415338, 6038345, 12076690, 15699697, 31399394, 78498485, 156996970]

約数ペア:

[(1, 156996970), (2, 78498485), (5, 31399394), (10, 15699697), (13, 12076690), (26, 6038345), (65, 2415338), (130, 1207669), (619, 253630), (1238, 126815), (1951, 80470), (3095, 50726), (3902, 40235), (6190, 25363), (8047, 19510), (9755, 16094)]