291216510

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{248903}}^1$

素因数の和:248929

約数の個数: 48

約数和(自身を含む): 815409504

約数和(自身を除く): 524192994

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 248903, 497806, 746709, 1244515, 1493418, 2240127, 2489030, 3235739, 3733545, 4480254, 6471478, 7467090, 9707217, 11200635, 16178695, 19414434, 22401270, 29121651, 32357390, 48536085, 58243302, 97072170, 145608255, 291216510]

約数ペア:

[(1, 291216510), (2, 145608255), (3, 97072170), (5, 58243302), (6, 48536085), (9, 32357390), (10, 29121651), (13, 22401270), (15, 19414434), (18, 16178695), (26, 11200635), (30, 9707217), (39, 7467090), (45, 6471478), (65, 4480254), (78, 3733545), (90, 3235739), (117, 2489030), (130, 2240127), (195, 1493418), (234, 1244515), (390, 746709), (585, 497806), (1170, 248903)]