28946918

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{761}}^1$

素因数の和:813

約数の個数: 64

約数和(自身を含む): 61447680

約数和(自身を除く): 32500762

約数列:

[1, 2, 7, 11, 13, 14, 19, 22, 26, 38, 77, 91, 133, 143, 154, 182, 209, 247, 266, 286, 418, 494, 761, 1001, 1463, 1522, 1729, 2002, 2717, 2926, 3458, 5327, 5434, 8371, 9893, 10654, 14459, 16742, 19019, 19786, 28918, 38038, 58597, 69251, 101213, 108823, 117194, 138502, 159049, 187967, 202426, 217646, 318098, 375934, 761761, 1113343, 1315769, 1523522, 2067637, 2226686, 2631538, 4135274, 14473459, 28946918]

約数ペア:

[(1, 28946918), (2, 14473459), (7, 4135274), (11, 2631538), (13, 2226686), (14, 2067637), (19, 1523522), (22, 1315769), (26, 1113343), (38, 761761), (77, 375934), (91, 318098), (133, 217646), (143, 202426), (154, 187967), (182, 159049), (209, 138502), (247, 117194), (266, 108823), (286, 101213), (418, 69251), (494, 58597), (761, 38038), (1001, 28918), (1463, 19786), (1522, 19019), (1729, 16742), (2002, 14459), (2717, 10654), (2926, 9893), (3458, 8371), (5327, 5434)]