217870536

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{313}}^1$

素因数の和:455

約数の個数: 128

約数和(自身を含む): 620363520

約数和(自身を除く): 402492984

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 23, 24, 26, 39, 46, 52, 69, 78, 92, 97, 104, 138, 156, 184, 194, 276, 291, 299, 312, 313, 388, 552, 582, 598, 626, 776, 897, 939, 1164, 1196, 1252, 1261, 1794, 1878, 2231, 2328, 2392, 2504, 2522, 3588, 3756, 3783, 4069, 4462, 5044, 6693, 7176, 7199, 7512, 7566, 8138, 8924, 10088, 12207, 13386, 14398, 15132, 16276, 17848, 21597, 24414, 26772, 28796, 29003, 30264, 30361, 32552, 43194, 48828, 53544, 57592, 58006, 60722, 86388, 87009, 91083, 93587, 97656, 116012, 121444, 172776, 174018, 182166, 187174, 232024, 242888, 280761, 348036, 364332, 374348, 394693, 561522, 696072, 698303, 728664, 748696, 789386, 1123044, 1184079, 1396606, 1578772, 2094909, 2246088, 2368158, 2793212, 3157544, 4189818, 4736316, 5586424, 8379636, 9077939, 9472632, 16759272, 18155878, 27233817, 36311756, 54467634, 72623512, 108935268, 217870536]

約数ペア:

[(1, 217870536), (2, 108935268), (3, 72623512), (4, 54467634), (6, 36311756), (8, 27233817), (12, 18155878), (13, 16759272), (23, 9472632), (24, 9077939), (26, 8379636), (39, 5586424), (46, 4736316), (52, 4189818), (69, 3157544), (78, 2793212), (92, 2368158), (97, 2246088), (104, 2094909), (138, 1578772), (156, 1396606), (184, 1184079), (194, 1123044), (276, 789386), (291, 748696), (299, 728664), (312, 698303), (313, 696072), (388, 561522), (552, 394693), (582, 374348), (598, 364332), (626, 348036), (776, 280761), (897, 242888), (939, 232024), (1164, 187174), (1196, 182166), (1252, 174018), (1261, 172776), (1794, 121444), (1878, 116012), (2231, 97656), (2328, 93587), (2392, 91083), (2504, 87009), (2522, 86388), (3588, 60722), (3756, 58006), (3783, 57592), (4069, 53544), (4462, 48828), (5044, 43194), (6693, 32552), (7176, 30361), (7199, 30264), (7512, 29003), (7566, 28796), (8138, 26772), (8924, 24414), (10088, 21597), (12207, 17848), (13386, 16276), (14398, 15132)]