221781888

素因数分解:

$2^7\times 3^4\times {\mathrm{21391}}^1$

素因数の和:21417

約数の個数: 80

約数和(自身を含む): 660050160

約数和(自身を除く): 438268272

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 128, 144, 162, 192, 216, 288, 324, 384, 432, 576, 648, 864, 1152, 1296, 1728, 2592, 3456, 5184, 10368, 21391, 42782, 64173, 85564, 128346, 171128, 192519, 256692, 342256, 385038, 513384, 577557, 684512, 770076, 1026768, 1155114, 1369024, 1540152, 1732671, 2053536, 2310228, 2738048, 3080304, 3465342, 4107072, 4620456, 6160608, 6930684, 8214144, 9240912, 12321216, 13861368, 18481824, 24642432, 27722736, 36963648, 55445472, 73927296, 110890944, 221781888]

約数ペア:

[(1, 221781888), (2, 110890944), (3, 73927296), (4, 55445472), (6, 36963648), (8, 27722736), (9, 24642432), (12, 18481824), (16, 13861368), (18, 12321216), (24, 9240912), (27, 8214144), (32, 6930684), (36, 6160608), (48, 4620456), (54, 4107072), (64, 3465342), (72, 3080304), (81, 2738048), (96, 2310228), (108, 2053536), (128, 1732671), (144, 1540152), (162, 1369024), (192, 1155114), (216, 1026768), (288, 770076), (324, 684512), (384, 577557), (432, 513384), (576, 385038), (648, 342256), (864, 256692), (1152, 192519), (1296, 171128), (1728, 128346), (2592, 85564), (3456, 64173), (5184, 42782), (10368, 21391)]