138571264

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{191}}^1$

素因数の和:331

約数の個数: 80

約数和(自身を含む): 302480640

約数和(自身を除く): 163909376

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 109, 128, 191, 208, 218, 256, 382, 416, 436, 512, 764, 832, 872, 1417, 1528, 1664, 1744, 2483, 2834, 3056, 3328, 3488, 4966, 5668, 6112, 6656, 6976, 9932, 11336, 12224, 13952, 19864, 20819, 22672, 24448, 27904, 39728, 41638, 45344, 48896, 55808, 79456, 83276, 90688, 97792, 158912, 166552, 181376, 270647, 317824, 333104, 362752, 541294, 635648, 666208, 725504, 1082588, 1271296, 1332416, 2165176, 2664832, 4330352, 5329664, 8660704, 10659328, 17321408, 34642816, 69285632, 138571264]

約数ペア:

[(1, 138571264), (2, 69285632), (4, 34642816), (8, 17321408), (13, 10659328), (16, 8660704), (26, 5329664), (32, 4330352), (52, 2664832), (64, 2165176), (104, 1332416), (109, 1271296), (128, 1082588), (191, 725504), (208, 666208), (218, 635648), (256, 541294), (382, 362752), (416, 333104), (436, 317824), (512, 270647), (764, 181376), (832, 166552), (872, 158912), (1417, 97792), (1528, 90688), (1664, 83276), (1744, 79456), (2483, 55808), (2834, 48896), (3056, 45344), (3328, 41638), (3488, 39728), (4966, 27904), (5668, 24448), (6112, 22672), (6656, 20819), (6976, 19864), (9932, 13952), (11336, 12224)]