81612388

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2339}}^1$

素因数の和:2428

約数の個数: 48

約数和(自身を含む): 170614080

約数和(自身を除く): 89001692

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 61, 122, 143, 244, 286, 572, 671, 793, 1342, 1586, 2339, 2684, 3172, 4678, 8723, 9356, 17446, 25729, 30407, 34892, 51458, 60814, 102916, 121628, 142679, 285358, 334477, 570716, 668954, 1337908, 1569469, 1854827, 3138938, 3709654, 6277876, 7419308, 20403097, 40806194, 81612388]

約数ペア:

[(1, 81612388), (2, 40806194), (4, 20403097), (11, 7419308), (13, 6277876), (22, 3709654), (26, 3138938), (44, 1854827), (52, 1569469), (61, 1337908), (122, 668954), (143, 570716), (244, 334477), (286, 285358), (572, 142679), (671, 121628), (793, 102916), (1342, 60814), (1586, 51458), (2339, 34892), (2684, 30407), (3172, 25729), (4678, 17446), (8723, 9356)]