72990554

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{761}}^1$

素因数の和:831

約数の個数: 64

約数和(自身を含む): 147474432

約数和(自身を除く): 74483878

約数列:

[1, 2, 7, 13, 14, 17, 26, 31, 34, 62, 91, 119, 182, 217, 221, 238, 403, 434, 442, 527, 761, 806, 1054, 1522, 1547, 2821, 3094, 3689, 5327, 5642, 6851, 7378, 9893, 10654, 12937, 13702, 19786, 23591, 25874, 47182, 47957, 69251, 90559, 95914, 138502, 165137, 168181, 181118, 306683, 330274, 336362, 401047, 613366, 802094, 1177267, 2146781, 2354534, 2807329, 4293562, 5213611, 5614658, 10427222, 36495277, 72990554]

約数ペア:

[(1, 72990554), (2, 36495277), (7, 10427222), (13, 5614658), (14, 5213611), (17, 4293562), (26, 2807329), (31, 2354534), (34, 2146781), (62, 1177267), (91, 802094), (119, 613366), (182, 401047), (217, 336362), (221, 330274), (238, 306683), (403, 181118), (434, 168181), (442, 165137), (527, 138502), (761, 95914), (806, 90559), (1054, 69251), (1522, 47957), (1547, 47182), (2821, 25874), (3094, 23591), (3689, 19786), (5327, 13702), (5642, 12937), (6851, 10654), (7378, 9893)]