78699978

素因数分解:

$2^1\times 3^3\times 7^4\times {\mathrm{607}}^1$

素因数の和:646

約数の個数: 80

約数和(自身を含む): 204360960

約数和(自身を除く): 125660982

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 49, 54, 63, 98, 126, 147, 189, 294, 343, 378, 441, 607, 686, 882, 1029, 1214, 1323, 1821, 2058, 2401, 2646, 3087, 3642, 4249, 4802, 5463, 6174, 7203, 8498, 9261, 10926, 12747, 14406, 16389, 18522, 21609, 25494, 29743, 32778, 38241, 43218, 59486, 64827, 76482, 89229, 114723, 129654, 178458, 208201, 229446, 267687, 416402, 535374, 624603, 803061, 1249206, 1457407, 1606122, 1873809, 2914814, 3747618, 4372221, 5621427, 8744442, 11242854, 13116663, 26233326, 39349989, 78699978]

約数ペア:

[(1, 78699978), (2, 39349989), (3, 26233326), (6, 13116663), (7, 11242854), (9, 8744442), (14, 5621427), (18, 4372221), (21, 3747618), (27, 2914814), (42, 1873809), (49, 1606122), (54, 1457407), (63, 1249206), (98, 803061), (126, 624603), (147, 535374), (189, 416402), (294, 267687), (343, 229446), (378, 208201), (441, 178458), (607, 129654), (686, 114723), (882, 89229), (1029, 76482), (1214, 64827), (1323, 59486), (1821, 43218), (2058, 38241), (2401, 32778), (2646, 29743), (3087, 25494), (3642, 21609), (4249, 18522), (4802, 16389), (5463, 14406), (6174, 12747), (7203, 10926), (8498, 9261)]