217721152

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{397}}^1$

素因数の和:480

約数の個数: 112

約数和(自身を含む): 509503680

約数和(自身を除く): 291782528

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 32, 38, 41, 44, 64, 76, 82, 88, 152, 164, 176, 209, 304, 328, 352, 397, 418, 451, 608, 656, 704, 779, 794, 836, 902, 1216, 1312, 1558, 1588, 1672, 1804, 2624, 3116, 3176, 3344, 3608, 4367, 6232, 6352, 6688, 7216, 7543, 8569, 8734, 12464, 12704, 13376, 14432, 15086, 16277, 17138, 17468, 24928, 25408, 28864, 30172, 32554, 34276, 34936, 49856, 60344, 65108, 68552, 69872, 82973, 120688, 130216, 137104, 139744, 165946, 179047, 241376, 260432, 274208, 279488, 309263, 331892, 358094, 482752, 520864, 548416, 618526, 663784, 716188, 1041728, 1237052, 1327568, 1432376, 2474104, 2655136, 2864752, 3401893, 4948208, 5310272, 5729504, 6803786, 9896416, 11459008, 13607572, 19792832, 27215144, 54430288, 108860576, 217721152]

約数ペア:

[(1, 217721152), (2, 108860576), (4, 54430288), (8, 27215144), (11, 19792832), (16, 13607572), (19, 11459008), (22, 9896416), (32, 6803786), (38, 5729504), (41, 5310272), (44, 4948208), (64, 3401893), (76, 2864752), (82, 2655136), (88, 2474104), (152, 1432376), (164, 1327568), (176, 1237052), (209, 1041728), (304, 716188), (328, 663784), (352, 618526), (397, 548416), (418, 520864), (451, 482752), (608, 358094), (656, 331892), (704, 309263), (779, 279488), (794, 274208), (836, 260432), (902, 241376), (1216, 179047), (1312, 165946), (1558, 139744), (1588, 137104), (1672, 130216), (1804, 120688), (2624, 82973), (3116, 69872), (3176, 68552), (3344, 65108), (3608, 60344), (4367, 49856), (6232, 34936), (6352, 34276), (6688, 32554), (7216, 30172), (7543, 28864), (8569, 25408), (8734, 24928), (12464, 17468), (12704, 17138), (13376, 16277), (14432, 15086)]