279984198

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1\times {\mathrm{653}}^1$

素因数の和:933

約数の個数: 64

約数和(自身を含む): 632862720

約数和(自身を除く): 352878522

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 46, 69, 78, 138, 239, 299, 478, 598, 653, 717, 897, 1306, 1434, 1794, 1959, 3107, 3918, 5497, 6214, 8489, 9321, 10994, 15019, 16491, 16978, 18642, 25467, 30038, 32982, 45057, 50934, 71461, 90114, 142922, 156067, 195247, 214383, 312134, 390494, 428766, 468201, 585741, 936402, 1171482, 2028871, 3589541, 4057742, 6086613, 7179082, 10768623, 12173226, 21537246, 46664033, 93328066, 139992099, 279984198]

約数ペア:

[(1, 279984198), (2, 139992099), (3, 93328066), (6, 46664033), (13, 21537246), (23, 12173226), (26, 10768623), (39, 7179082), (46, 6086613), (69, 4057742), (78, 3589541), (138, 2028871), (239, 1171482), (299, 936402), (478, 585741), (598, 468201), (653, 428766), (717, 390494), (897, 312134), (1306, 214383), (1434, 195247), (1794, 156067), (1959, 142922), (3107, 90114), (3918, 71461), (5497, 50934), (6214, 45057), (8489, 32982), (9321, 30038), (10994, 25467), (15019, 18642), (16491, 16978)]