408967668

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{61}}^2\times {\mathrm{71}}^1$

素因数の和:246

約数の個数: 108

約数和(自身を含む): 1090593504

約数和(自身を除く): 681625836

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 61, 71, 86, 122, 129, 142, 172, 183, 213, 244, 258, 284, 366, 387, 426, 516, 549, 639, 732, 774, 852, 1098, 1278, 1548, 2196, 2556, 2623, 3053, 3721, 4331, 5246, 6106, 7442, 7869, 8662, 9159, 10492, 11163, 12212, 12993, 14884, 15738, 17324, 18318, 22326, 23607, 25986, 27477, 31476, 33489, 36636, 38979, 44652, 47214, 51972, 54954, 66978, 77958, 94428, 109908, 133956, 155916, 160003, 186233, 264191, 320006, 372466, 480009, 528382, 558699, 640012, 744932, 792573, 960018, 1056764, 1117398, 1440027, 1585146, 1676097, 1920036, 2234796, 2377719, 2880054, 3170292, 3352194, 4755438, 5760108, 6704388, 9510876, 11360213, 22720426, 34080639, 45440852, 68161278, 102241917, 136322556, 204483834, 408967668]

約数ペア:

[(1, 408967668), (2, 204483834), (3, 136322556), (4, 102241917), (6, 68161278), (9, 45440852), (12, 34080639), (18, 22720426), (36, 11360213), (43, 9510876), (61, 6704388), (71, 5760108), (86, 4755438), (122, 3352194), (129, 3170292), (142, 2880054), (172, 2377719), (183, 2234796), (213, 1920036), (244, 1676097), (258, 1585146), (284, 1440027), (366, 1117398), (387, 1056764), (426, 960018), (516, 792573), (549, 744932), (639, 640012), (732, 558699), (774, 528382), (852, 480009), (1098, 372466), (1278, 320006), (1548, 264191), (2196, 186233), (2556, 160003), (2623, 155916), (3053, 133956), (3721, 109908), (4331, 94428), (5246, 77958), (6106, 66978), (7442, 54954), (7869, 51972), (8662, 47214), (9159, 44652), (10492, 38979), (11163, 36636), (12212, 33489), (12993, 31476), (14884, 27477), (15738, 25986), (17324, 23607), (18318, 22326)]