1284653890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{340757}}^1$

素因数の和:340806

約数の個数: 32

約数和(自身を含む): 2576130480

約数和(自身を除く): 1291476590

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 290, 377, 754, 1885, 3770, 340757, 681514, 1703785, 3407570, 4429841, 8859682, 9881953, 19763906, 22149205, 44298410, 49409765, 98819530, 128465389, 256930778, 642326945, 1284653890]

約数ペア:

[(1, 1284653890), (2, 642326945), (5, 256930778), (10, 128465389), (13, 98819530), (26, 49409765), (29, 44298410), (58, 22149205), (65, 19763906), (130, 9881953), (145, 8859682), (290, 4429841), (377, 3407570), (754, 1703785), (1885, 681514), (3770, 340757)]