28731222

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{617}}^1$

素因数の和:837

約数の個数: 48

約数和(自身を含む): 67485600

約数和(自身を除く): 38754378

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 199, 234, 398, 597, 617, 1194, 1234, 1791, 1851, 2587, 3582, 3702, 5174, 5553, 7761, 8021, 11106, 15522, 16042, 23283, 24063, 46566, 48126, 72189, 122783, 144378, 245566, 368349, 736698, 1105047, 1596179, 2210094, 3192358, 4788537, 9577074, 14365611, 28731222]

約数ペア:

[(1, 28731222), (2, 14365611), (3, 9577074), (6, 4788537), (9, 3192358), (13, 2210094), (18, 1596179), (26, 1105047), (39, 736698), (78, 368349), (117, 245566), (199, 144378), (234, 122783), (398, 72189), (597, 48126), (617, 46566), (1194, 24063), (1234, 23283), (1791, 16042), (1851, 15522), (2587, 11106), (3582, 8021), (3702, 7761), (5174, 5553)]