31494970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{311}}^1$

素因数の和:391

約数の個数: 64

約数和(自身を含む): 66044160

約数和(自身を除く): 34549190

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 41, 65, 82, 95, 130, 190, 205, 247, 311, 410, 494, 533, 622, 779, 1066, 1235, 1555, 1558, 2470, 2665, 3110, 3895, 4043, 5330, 5909, 7790, 8086, 10127, 11818, 12751, 20215, 20254, 25502, 29545, 40430, 50635, 59090, 63755, 76817, 101270, 127510, 153634, 165763, 242269, 331526, 384085, 484538, 768170, 828815, 1211345, 1657630, 2422690, 3149497, 6298994, 15747485, 31494970]

約数ペア:

[(1, 31494970), (2, 15747485), (5, 6298994), (10, 3149497), (13, 2422690), (19, 1657630), (26, 1211345), (38, 828815), (41, 768170), (65, 484538), (82, 384085), (95, 331526), (130, 242269), (190, 165763), (205, 153634), (247, 127510), (311, 101270), (410, 76817), (494, 63755), (533, 59090), (622, 50635), (779, 40430), (1066, 29545), (1235, 25502), (1555, 20254), (1558, 20215), (2470, 12751), (2665, 11818), (3110, 10127), (3895, 8086), (4043, 7790), (5330, 5909)]