28868190

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{74021}}^1$

素因数の和:74044

約数の個数: 32

約数和(自身を含む): 74614176

約数和(自身を除く): 45745986

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 74021, 148042, 222063, 370105, 444126, 740210, 962273, 1110315, 1924546, 2220630, 2886819, 4811365, 5773638, 9622730, 14434095, 28868190]

約数ペア:

[(1, 28868190), (2, 14434095), (3, 9622730), (5, 5773638), (6, 4811365), (10, 2886819), (13, 2220630), (15, 1924546), (26, 1110315), (30, 962273), (39, 740210), (65, 444126), (78, 370105), (130, 222063), (195, 148042), (390, 74021)]