401389612

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{499}}^2$

素因数の和:1046

約数の個数: 36

約数和(自身を含む): 782435136

約数和(自身を除く): 381045524

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 499, 806, 998, 1612, 1996, 6487, 12974, 15469, 25948, 30938, 61876, 201097, 249001, 402194, 498002, 804388, 996004, 3237013, 6474026, 7719031, 12948052, 15438062, 30876124, 100347403, 200694806, 401389612]

約数ペア:

[(1, 401389612), (2, 200694806), (4, 100347403), (13, 30876124), (26, 15438062), (31, 12948052), (52, 7719031), (62, 6474026), (124, 3237013), (403, 996004), (499, 804388), (806, 498002), (998, 402194), (1612, 249001), (1996, 201097), (6487, 61876), (12974, 30938), (15469, 25948)]