631946536

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{319811}}^1$

素因数の和:319849

約数の個数: 32

約数和(自身を含む): 1343210400

約数和(自身を除く): 711263864

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 319811, 639622, 1279244, 2558488, 4157543, 6076409, 8315086, 12152818, 16630172, 24305636, 33260344, 48611272, 78993317, 157986634, 315973268, 631946536]

約数ペア:

[(1, 631946536), (2, 315973268), (4, 157986634), (8, 78993317), (13, 48611272), (19, 33260344), (26, 24305636), (38, 16630172), (52, 12152818), (76, 8315086), (104, 6076409), (152, 4157543), (247, 2558488), (494, 1279244), (988, 639622), (1976, 319811)]