28685358

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{7211}}^1$

素因数の和:7249

約数の個数: 48

約数和(自身を含む): 70879536

約数和(自身を除く): 42194178

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 39, 51, 78, 102, 117, 153, 221, 234, 306, 442, 663, 1326, 1989, 3978, 7211, 14422, 21633, 43266, 64899, 93743, 122587, 129798, 187486, 245174, 281229, 367761, 562458, 735522, 843687, 1103283, 1593631, 1687374, 2206566, 3187262, 4780893, 9561786, 14342679, 28685358]

約数ペア:

[(1, 28685358), (2, 14342679), (3, 9561786), (6, 4780893), (9, 3187262), (13, 2206566), (17, 1687374), (18, 1593631), (26, 1103283), (34, 843687), (39, 735522), (51, 562458), (78, 367761), (102, 281229), (117, 245174), (153, 187486), (221, 129798), (234, 122587), (306, 93743), (442, 64899), (663, 43266), (1326, 21633), (1989, 14422), (3978, 7211)]