645551448

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{26711}}^1$

素因数の和:26792

約数の個数: 64

約数和(自身を含む): 1730937600

約数和(自身を除く): 1085386152

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 53, 57, 76, 106, 114, 152, 159, 212, 228, 318, 424, 456, 636, 1007, 1272, 2014, 3021, 4028, 6042, 8056, 12084, 24168, 26711, 53422, 80133, 106844, 160266, 213688, 320532, 507509, 641064, 1015018, 1415683, 1522527, 2030036, 2831366, 3045054, 4060072, 4247049, 5662732, 6090108, 8494098, 11325464, 12180216, 16988196, 26897977, 33976392, 53795954, 80693931, 107591908, 161387862, 215183816, 322775724, 645551448]

約数ペア:

[(1, 645551448), (2, 322775724), (3, 215183816), (4, 161387862), (6, 107591908), (8, 80693931), (12, 53795954), (19, 33976392), (24, 26897977), (38, 16988196), (53, 12180216), (57, 11325464), (76, 8494098), (106, 6090108), (114, 5662732), (152, 4247049), (159, 4060072), (212, 3045054), (228, 2831366), (318, 2030036), (424, 1522527), (456, 1415683), (636, 1015018), (1007, 641064), (1272, 507509), (2014, 320532), (3021, 213688), (4028, 160266), (6042, 106844), (8056, 80133), (12084, 53422), (24168, 26711)]