1989156

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{311}}^1$

素因数の和:372

約数の個数: 48

約数和(自身を含む): 5136768

約数和(自身を除く): 3147612

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 41, 52, 78, 82, 123, 156, 164, 246, 311, 492, 533, 622, 933, 1066, 1244, 1599, 1866, 2132, 3198, 3732, 4043, 6396, 8086, 12129, 12751, 16172, 24258, 25502, 38253, 48516, 51004, 76506, 153012, 165763, 331526, 497289, 663052, 994578, 1989156]

約数ペア:

[(1, 1989156), (2, 994578), (3, 663052), (4, 497289), (6, 331526), (12, 165763), (13, 153012), (26, 76506), (39, 51004), (41, 48516), (52, 38253), (78, 25502), (82, 24258), (123, 16172), (156, 12751), (164, 12129), (246, 8086), (311, 6396), (492, 4043), (533, 3732), (622, 3198), (933, 2132), (1066, 1866), (1244, 1599)]