251628416

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:192

約数の個数: 128

約数和(自身を含む): 571942560

約数和(自身を除く): 320314144

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 37, 52, 61, 64, 67, 74, 104, 122, 128, 134, 148, 208, 244, 268, 296, 416, 481, 488, 536, 592, 793, 832, 871, 962, 976, 1072, 1184, 1586, 1664, 1742, 1924, 1952, 2144, 2257, 2368, 2479, 3172, 3484, 3848, 3904, 4087, 4288, 4514, 4736, 4958, 6344, 6968, 7696, 7808, 8174, 8576, 9028, 9916, 12688, 13936, 15392, 16348, 18056, 19832, 25376, 27872, 29341, 30784, 32227, 32696, 36112, 39664, 50752, 53131, 55744, 58682, 61568, 64454, 65392, 72224, 79328, 101504, 106262, 111488, 117364, 128908, 130784, 144448, 151219, 158656, 212524, 234728, 257816, 261568, 288896, 302438, 317312, 425048, 469456, 515632, 523136, 604876, 850096, 938912, 1031264, 1209752, 1700192, 1877824, 1965847, 2062528, 2419504, 3400384, 3755648, 3931694, 4125056, 4839008, 6800768, 7863388, 9678016, 15726776, 19356032, 31453552, 62907104, 125814208, 251628416]

約数ペア:

[(1, 251628416), (2, 125814208), (4, 62907104), (8, 31453552), (13, 19356032), (16, 15726776), (26, 9678016), (32, 7863388), (37, 6800768), (52, 4839008), (61, 4125056), (64, 3931694), (67, 3755648), (74, 3400384), (104, 2419504), (122, 2062528), (128, 1965847), (134, 1877824), (148, 1700192), (208, 1209752), (244, 1031264), (268, 938912), (296, 850096), (416, 604876), (481, 523136), (488, 515632), (536, 469456), (592, 425048), (793, 317312), (832, 302438), (871, 288896), (962, 261568), (976, 257816), (1072, 234728), (1184, 212524), (1586, 158656), (1664, 151219), (1742, 144448), (1924, 130784), (1952, 128908), (2144, 117364), (2257, 111488), (2368, 106262), (2479, 101504), (3172, 79328), (3484, 72224), (3848, 65392), (3904, 64454), (4087, 61568), (4288, 58682), (4514, 55744), (4736, 53131), (4958, 50752), (6344, 39664), (6968, 36112), (7696, 32696), (7808, 32227), (8174, 30784), (8576, 29341), (9028, 27872), (9916, 25376), (12688, 19832), (13936, 18056), (15392, 16348)]