291295628

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{191}}^1\times {\mathrm{211}}^1$

素因数の和:558

約数の個数: 48

約数和(自身を含む): 558458880

約数和(自身を除く): 267163252

約数列:

[1, 2, 4, 13, 26, 52, 139, 191, 211, 278, 382, 422, 556, 764, 844, 1807, 2483, 2743, 3614, 4966, 5486, 7228, 9932, 10972, 26549, 29329, 40301, 53098, 58658, 80602, 106196, 117316, 161204, 345137, 381277, 523913, 690274, 762554, 1047826, 1380548, 1525108, 2095652, 5601839, 11203678, 22407356, 72823907, 145647814, 291295628]

約数ペア:

[(1, 291295628), (2, 145647814), (4, 72823907), (13, 22407356), (26, 11203678), (52, 5601839), (139, 2095652), (191, 1525108), (211, 1380548), (278, 1047826), (382, 762554), (422, 690274), (556, 523913), (764, 381277), (844, 345137), (1807, 161204), (2483, 117316), (2743, 106196), (3614, 80602), (4966, 58658), (5486, 53098), (7228, 40301), (9932, 29329), (10972, 26549)]