318731136

素因数分解:

$2^7\times 3^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{199}}^1$

素因数の和:356

約数の個数: 128

約数和(自身を含む): 879648000

約数和(自身を除く): 560916864

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 43, 48, 64, 86, 96, 97, 128, 129, 172, 192, 194, 199, 258, 291, 344, 384, 388, 398, 516, 582, 597, 688, 776, 796, 1032, 1164, 1194, 1376, 1552, 1592, 2064, 2328, 2388, 2752, 3104, 3184, 4128, 4171, 4656, 4776, 5504, 6208, 6368, 8256, 8342, 8557, 9312, 9552, 12416, 12513, 12736, 16512, 16684, 17114, 18624, 19104, 19303, 25026, 25472, 25671, 33368, 34228, 37248, 38208, 38606, 50052, 51342, 57909, 66736, 68456, 76416, 77212, 100104, 102684, 115818, 133472, 136912, 154424, 200208, 205368, 231636, 266944, 273824, 308848, 400416, 410736, 463272, 533888, 547648, 617696, 800832, 821472, 830029, 926544, 1095296, 1235392, 1601664, 1642944, 1660058, 1853088, 2470784, 2490087, 3285888, 3320116, 3706176, 4980174, 6640232, 7412352, 9960348, 13280464, 19920696, 26560928, 39841392, 53121856, 79682784, 106243712, 159365568, 318731136]

約数ペア:

[(1, 318731136), (2, 159365568), (3, 106243712), (4, 79682784), (6, 53121856), (8, 39841392), (12, 26560928), (16, 19920696), (24, 13280464), (32, 9960348), (43, 7412352), (48, 6640232), (64, 4980174), (86, 3706176), (96, 3320116), (97, 3285888), (128, 2490087), (129, 2470784), (172, 1853088), (192, 1660058), (194, 1642944), (199, 1601664), (258, 1235392), (291, 1095296), (344, 926544), (384, 830029), (388, 821472), (398, 800832), (516, 617696), (582, 547648), (597, 533888), (688, 463272), (776, 410736), (796, 400416), (1032, 308848), (1164, 273824), (1194, 266944), (1376, 231636), (1552, 205368), (1592, 200208), (2064, 154424), (2328, 136912), (2388, 133472), (2752, 115818), (3104, 102684), (3184, 100104), (4128, 77212), (4171, 76416), (4656, 68456), (4776, 66736), (5504, 57909), (6208, 51342), (6368, 50052), (8256, 38606), (8342, 38208), (8557, 37248), (9312, 34228), (9552, 33368), (12416, 25671), (12513, 25472), (12736, 25026), (16512, 19303), (16684, 19104), (17114, 18624)]