778886122

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{457}}^1$

素因数の和:635

約数の個数: 64

約数和(自身を含む): 1435115520

約数和(自身を除く): 656229398

約数列:

[1, 2, 7, 14, 23, 46, 67, 79, 134, 158, 161, 322, 457, 469, 553, 914, 938, 1106, 1541, 1817, 3082, 3199, 3634, 5293, 6398, 10511, 10586, 10787, 12719, 21022, 21574, 25438, 30619, 36103, 37051, 61238, 72206, 73577, 74102, 121739, 147154, 214333, 243478, 252721, 428666, 505442, 704237, 830369, 852173, 1408474, 1660738, 1704346, 2418901, 4837802, 4929659, 5812583, 9859318, 11625166, 16932307, 33864614, 55634723, 111269446, 389443061, 778886122]

約数ペア:

[(1, 778886122), (2, 389443061), (7, 111269446), (14, 55634723), (23, 33864614), (46, 16932307), (67, 11625166), (79, 9859318), (134, 5812583), (158, 4929659), (161, 4837802), (322, 2418901), (457, 1704346), (469, 1660738), (553, 1408474), (914, 852173), (938, 830369), (1106, 704237), (1541, 505442), (1817, 428666), (3082, 252721), (3199, 243478), (3634, 214333), (5293, 147154), (6398, 121739), (10511, 74102), (10586, 73577), (10787, 72206), (12719, 61238), (21022, 37051), (21574, 36103), (25438, 30619)]