128342656

素因数分解:

$2^7\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{349}}^1$

素因数の和:406

約数の個数: 96

約数和(自身を含む): 293989500

約数和(自身を除く): 165646844

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 64, 68, 104, 128, 136, 169, 208, 221, 272, 338, 349, 416, 442, 544, 676, 698, 832, 884, 1088, 1352, 1396, 1664, 1768, 2176, 2704, 2792, 2873, 3536, 4537, 5408, 5584, 5746, 5933, 7072, 9074, 10816, 11168, 11492, 11866, 14144, 18148, 21632, 22336, 22984, 23732, 28288, 36296, 44672, 45968, 47464, 58981, 72592, 77129, 91936, 94928, 117962, 145184, 154258, 183872, 189856, 235924, 290368, 308516, 367744, 379712, 471848, 580736, 617032, 759424, 943696, 1002677, 1234064, 1887392, 2005354, 2468128, 3774784, 4010708, 4936256, 7549568, 8021416, 9872512, 16042832, 32085664, 64171328, 128342656]

約数ペア:

[(1, 128342656), (2, 64171328), (4, 32085664), (8, 16042832), (13, 9872512), (16, 8021416), (17, 7549568), (26, 4936256), (32, 4010708), (34, 3774784), (52, 2468128), (64, 2005354), (68, 1887392), (104, 1234064), (128, 1002677), (136, 943696), (169, 759424), (208, 617032), (221, 580736), (272, 471848), (338, 379712), (349, 367744), (416, 308516), (442, 290368), (544, 235924), (676, 189856), (698, 183872), (832, 154258), (884, 145184), (1088, 117962), (1352, 94928), (1396, 91936), (1664, 77129), (1768, 72592), (2176, 58981), (2704, 47464), (2792, 45968), (2873, 44672), (3536, 36296), (4537, 28288), (5408, 23732), (5584, 22984), (5746, 22336), (5933, 21632), (7072, 18148), (9074, 14144), (10816, 11866), (11168, 11492)]