128521848

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{709}}^1$

素因数の和:821

約数の個数: 128

約数和(自身を含む): 400780800

約数和(自身を除く): 272258952

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 78, 83, 84, 91, 104, 156, 166, 168, 182, 249, 273, 312, 332, 364, 498, 546, 581, 664, 709, 728, 996, 1079, 1092, 1162, 1418, 1743, 1992, 2127, 2158, 2184, 2324, 2836, 3237, 3486, 4254, 4316, 4648, 4963, 5672, 6474, 6972, 7553, 8508, 8632, 9217, 9926, 12948, 13944, 14889, 15106, 17016, 18434, 19852, 22659, 25896, 27651, 29778, 30212, 36868, 39704, 45318, 55302, 58847, 59556, 60424, 64519, 73736, 90636, 110604, 117694, 119112, 129038, 176541, 181272, 193557, 221208, 235388, 258076, 353082, 387114, 411929, 470776, 516152, 706164, 765011, 774228, 823858, 1235787, 1412328, 1530022, 1548456, 1647716, 2295033, 2471574, 3060044, 3295432, 4590066, 4943148, 5355077, 6120088, 9180132, 9886296, 10710154, 16065231, 18360264, 21420308, 32130462, 42840616, 64260924, 128521848]

約数ペア:

[(1, 128521848), (2, 64260924), (3, 42840616), (4, 32130462), (6, 21420308), (7, 18360264), (8, 16065231), (12, 10710154), (13, 9886296), (14, 9180132), (21, 6120088), (24, 5355077), (26, 4943148), (28, 4590066), (39, 3295432), (42, 3060044), (52, 2471574), (56, 2295033), (78, 1647716), (83, 1548456), (84, 1530022), (91, 1412328), (104, 1235787), (156, 823858), (166, 774228), (168, 765011), (182, 706164), (249, 516152), (273, 470776), (312, 411929), (332, 387114), (364, 353082), (498, 258076), (546, 235388), (581, 221208), (664, 193557), (709, 181272), (728, 176541), (996, 129038), (1079, 119112), (1092, 117694), (1162, 110604), (1418, 90636), (1743, 73736), (1992, 64519), (2127, 60424), (2158, 59556), (2184, 58847), (2324, 55302), (2836, 45318), (3237, 39704), (3486, 36868), (4254, 30212), (4316, 29778), (4648, 27651), (4963, 25896), (5672, 22659), (6474, 19852), (6972, 18434), (7553, 17016), (8508, 15106), (8632, 14889), (9217, 13944), (9926, 12948)]