11979950

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1$

素因数の和:233

約数の個数: 48

約数和(自身を含む): 23569920

約数和(自身を除く): 11589970

約数列:

[1, 2, 5, 10, 25, 31, 50, 59, 62, 118, 131, 155, 262, 295, 310, 590, 655, 775, 1310, 1475, 1550, 1829, 2950, 3275, 3658, 4061, 6550, 7729, 8122, 9145, 15458, 18290, 20305, 38645, 40610, 45725, 77290, 91450, 101525, 193225, 203050, 239599, 386450, 479198, 1197995, 2395990, 5989975, 11979950]

約数ペア:

[(1, 11979950), (2, 5989975), (5, 2395990), (10, 1197995), (25, 479198), (31, 386450), (50, 239599), (59, 203050), (62, 193225), (118, 101525), (131, 91450), (155, 77290), (262, 45725), (295, 40610), (310, 38645), (590, 20305), (655, 18290), (775, 15458), (1310, 9145), (1475, 8122), (1550, 7729), (1829, 6550), (2950, 4061), (3275, 3658)]