208530868

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{367}}^1$

素因数の和:621

約数の個数: 72

約数和(自身を含む): 460465152

約数和(自身を除く): 251934284

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 182, 196, 223, 364, 367, 446, 637, 734, 892, 1274, 1468, 1561, 2548, 2569, 2899, 3122, 4771, 5138, 5798, 6244, 9542, 10276, 10927, 11596, 17983, 19084, 20293, 21854, 33397, 35966, 40586, 43708, 66794, 71932, 81172, 81841, 133588, 142051, 163682, 233779, 284102, 327364, 467558, 568204, 572887, 935116, 1063933, 1145774, 2127866, 2291548, 4010209, 4255732, 7447531, 8020418, 14895062, 16040836, 29790124, 52132717, 104265434, 208530868]

約数ペア:

[(1, 208530868), (2, 104265434), (4, 52132717), (7, 29790124), (13, 16040836), (14, 14895062), (26, 8020418), (28, 7447531), (49, 4255732), (52, 4010209), (91, 2291548), (98, 2127866), (182, 1145774), (196, 1063933), (223, 935116), (364, 572887), (367, 568204), (446, 467558), (637, 327364), (734, 284102), (892, 233779), (1274, 163682), (1468, 142051), (1561, 133588), (2548, 81841), (2569, 81172), (2899, 71932), (3122, 66794), (4771, 43708), (5138, 40586), (5798, 35966), (6244, 33397), (9542, 21854), (10276, 20293), (10927, 19084), (11596, 17983)]