267679916

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{2251}}^1$

素因数の和:2430

約数の個数: 48

約数和(自身を含む): 556910592

約数和(自身を除く): 289230676

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 137, 217, 274, 434, 548, 868, 959, 1918, 2251, 3836, 4247, 4502, 8494, 9004, 15757, 16988, 29729, 31514, 59458, 63028, 69781, 118916, 139562, 279124, 308387, 488467, 616774, 976934, 1233548, 1953868, 2158709, 4317418, 8634836, 9559997, 19119994, 38239988, 66919979, 133839958, 267679916]

約数ペア:

[(1, 267679916), (2, 133839958), (4, 66919979), (7, 38239988), (14, 19119994), (28, 9559997), (31, 8634836), (62, 4317418), (124, 2158709), (137, 1953868), (217, 1233548), (274, 976934), (434, 616774), (548, 488467), (868, 308387), (959, 279124), (1918, 139562), (2251, 118916), (3836, 69781), (4247, 63028), (4502, 59458), (8494, 31514), (9004, 29729), (15757, 16988)]