978355784

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{229}}^1$

素因数の和:403

約数の個数: 128

約数和(自身を含む): 2289254400

約数和(自身を除く): 1310898616

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 31, 46, 56, 62, 92, 107, 124, 161, 184, 214, 217, 229, 248, 322, 428, 434, 458, 644, 713, 749, 856, 868, 916, 1288, 1426, 1498, 1603, 1736, 1832, 2461, 2852, 2996, 3206, 3317, 4922, 4991, 5267, 5704, 5992, 6412, 6634, 7099, 9844, 9982, 10534, 12824, 13268, 14198, 17227, 19688, 19964, 21068, 23219, 24503, 26536, 28396, 34454, 36869, 39928, 42136, 46438, 49006, 49693, 56792, 68908, 73738, 76291, 92876, 98012, 99386, 137816, 147476, 152582, 163277, 171521, 185752, 196024, 198772, 294952, 305164, 326554, 343042, 397544, 534037, 563569, 610328, 653108, 686084, 759593, 1068074, 1127138, 1142939, 1306216, 1372168, 1519186, 2136148, 2254276, 2285878, 3038372, 3944983, 4272296, 4508552, 4571756, 5317151, 6076744, 7889966, 9143512, 10634302, 15779932, 17470639, 21268604, 31559864, 34941278, 42537208, 69882556, 122294473, 139765112, 244588946, 489177892, 978355784]

約数ペア:

[(1, 978355784), (2, 489177892), (4, 244588946), (7, 139765112), (8, 122294473), (14, 69882556), (23, 42537208), (28, 34941278), (31, 31559864), (46, 21268604), (56, 17470639), (62, 15779932), (92, 10634302), (107, 9143512), (124, 7889966), (161, 6076744), (184, 5317151), (214, 4571756), (217, 4508552), (229, 4272296), (248, 3944983), (322, 3038372), (428, 2285878), (434, 2254276), (458, 2136148), (644, 1519186), (713, 1372168), (749, 1306216), (856, 1142939), (868, 1127138), (916, 1068074), (1288, 759593), (1426, 686084), (1498, 653108), (1603, 610328), (1736, 563569), (1832, 534037), (2461, 397544), (2852, 343042), (2996, 326554), (3206, 305164), (3317, 294952), (4922, 198772), (4991, 196024), (5267, 185752), (5704, 171521), (5992, 163277), (6412, 152582), (6634, 147476), (7099, 137816), (9844, 99386), (9982, 98012), (10534, 92876), (12824, 76291), (13268, 73738), (14198, 68908), (17227, 56792), (19688, 49693), (19964, 49006), (21068, 46438), (23219, 42136), (24503, 39928), (26536, 36869), (28396, 34454)]