1489772921

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{2039}}^1$

素因数の和:2134

約数の個数: 48

約数和(自身を含む): 1979550720

約数和(自身を除く): 489777799

約数列:

[1, 7, 13, 31, 37, 49, 91, 217, 259, 403, 481, 637, 1147, 1519, 1813, 2039, 2821, 3367, 8029, 14273, 14911, 19747, 23569, 26507, 56203, 63209, 75443, 99911, 104377, 185549, 442463, 528101, 730639, 821717, 980759, 1298843, 2338733, 3097241, 3696707, 5752019, 6865313, 16371131, 30403529, 40264133, 48057191, 114597917, 212824703, 1489772921]

約数ペア:

[(1, 1489772921), (7, 212824703), (13, 114597917), (31, 48057191), (37, 40264133), (49, 30403529), (91, 16371131), (217, 6865313), (259, 5752019), (403, 3696707), (481, 3097241), (637, 2338733), (1147, 1298843), (1519, 980759), (1813, 821717), (2039, 730639), (2821, 528101), (3367, 442463), (8029, 185549), (14273, 104377), (14911, 99911), (19747, 75443), (23569, 63209), (26507, 56203)]