12856890968

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{541}}^2$

素因数の和:1141

約数の個数: 72

約数和(自身を含む): 27005838300

約数和(自身を除く): 14148947332

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 68, 76, 136, 152, 289, 323, 541, 578, 646, 1082, 1156, 1292, 2164, 2312, 2584, 4328, 5491, 9197, 10279, 10982, 18394, 20558, 21964, 36788, 41116, 43928, 73576, 82232, 156349, 174743, 292681, 312698, 349486, 585362, 625396, 698972, 1170724, 1250792, 1397944, 2341448, 2970631, 4975577, 5560939, 5941262, 9951154, 11121878, 11882524, 19902308, 22243756, 23765048, 39804616, 44487512, 84584809, 94535963, 169169618, 189071926, 338339236, 378143852, 676678472, 756287704, 1607111371, 3214222742, 6428445484, 12856890968]

約数ペア:

[(1, 12856890968), (2, 6428445484), (4, 3214222742), (8, 1607111371), (17, 756287704), (19, 676678472), (34, 378143852), (38, 338339236), (68, 189071926), (76, 169169618), (136, 94535963), (152, 84584809), (289, 44487512), (323, 39804616), (541, 23765048), (578, 22243756), (646, 19902308), (1082, 11882524), (1156, 11121878), (1292, 9951154), (2164, 5941262), (2312, 5560939), (2584, 4975577), (4328, 2970631), (5491, 2341448), (9197, 1397944), (10279, 1250792), (10982, 1170724), (18394, 698972), (20558, 625396), (21964, 585362), (36788, 349486), (41116, 312698), (43928, 292681), (73576, 174743), (82232, 156349)]