1291268272

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{7681}}^1$

素因数の和:7794

約数の個数: 80

約数和(自身を含む): 3048217600

約数和(自身を除く): 1756949328

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 79, 112, 133, 152, 158, 266, 304, 316, 532, 553, 632, 1064, 1106, 1264, 1501, 2128, 2212, 3002, 4424, 6004, 7681, 8848, 10507, 12008, 15362, 21014, 24016, 30724, 42028, 53767, 61448, 84056, 107534, 122896, 145939, 168112, 215068, 291878, 430136, 583756, 606799, 860272, 1021573, 1167512, 1213598, 2043146, 2335024, 2427196, 4086292, 4247593, 4854392, 8172584, 8495186, 9708784, 11529181, 16345168, 16990372, 23058362, 33980744, 46116724, 67961488, 80704267, 92233448, 161408534, 184466896, 322817068, 645634136, 1291268272]

約数ペア:

[(1, 1291268272), (2, 645634136), (4, 322817068), (7, 184466896), (8, 161408534), (14, 92233448), (16, 80704267), (19, 67961488), (28, 46116724), (38, 33980744), (56, 23058362), (76, 16990372), (79, 16345168), (112, 11529181), (133, 9708784), (152, 8495186), (158, 8172584), (266, 4854392), (304, 4247593), (316, 4086292), (532, 2427196), (553, 2335024), (632, 2043146), (1064, 1213598), (1106, 1167512), (1264, 1021573), (1501, 860272), (2128, 606799), (2212, 583756), (3002, 430136), (4424, 291878), (6004, 215068), (7681, 168112), (8848, 145939), (10507, 122896), (12008, 107534), (15362, 84056), (21014, 61448), (24016, 53767), (30724, 42028)]