66171950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{191}}^1$

素因数の和:270

約数の個数: 72

約数和(自身を含む): 137241216

約数和(自身を除く): 71069266

約数列:

[1, 2, 5, 10, 13, 25, 26, 41, 50, 65, 82, 130, 169, 191, 205, 325, 338, 382, 410, 533, 650, 845, 955, 1025, 1066, 1690, 1910, 2050, 2483, 2665, 4225, 4775, 4966, 5330, 6929, 7831, 8450, 9550, 12415, 13325, 13858, 15662, 24830, 26650, 32279, 34645, 39155, 62075, 64558, 69290, 78310, 101803, 124150, 161395, 173225, 195775, 203606, 322790, 346450, 391550, 509015, 806975, 1018030, 1323439, 1613950, 2545075, 2646878, 5090150, 6617195, 13234390, 33085975, 66171950]

約数ペア:

[(1, 66171950), (2, 33085975), (5, 13234390), (10, 6617195), (13, 5090150), (25, 2646878), (26, 2545075), (41, 1613950), (50, 1323439), (65, 1018030), (82, 806975), (130, 509015), (169, 391550), (191, 346450), (205, 322790), (325, 203606), (338, 195775), (382, 173225), (410, 161395), (533, 124150), (650, 101803), (845, 78310), (955, 69290), (1025, 64558), (1066, 62075), (1690, 39155), (1910, 34645), (2050, 32279), (2483, 26650), (2665, 24830), (4225, 15662), (4775, 13858), (4966, 13325), (5330, 12415), (6929, 9550), (7831, 8450)]