78514072

素因数分解:

$2^3\times 7^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:142

約数の個数: 128

約数和(自身を含む): 193536000

約数和(自身を除く): 115021928

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 31, 49, 52, 56, 62, 71, 91, 98, 104, 124, 142, 182, 196, 217, 248, 284, 343, 364, 392, 403, 434, 497, 568, 637, 686, 728, 806, 868, 923, 994, 1274, 1372, 1519, 1612, 1736, 1846, 1988, 2201, 2548, 2744, 2821, 3038, 3224, 3479, 3692, 3976, 4402, 4459, 5096, 5642, 6076, 6461, 6958, 7384, 8804, 8918, 10633, 11284, 12152, 12922, 13916, 15407, 17608, 17836, 19747, 21266, 22568, 24353, 25844, 27832, 28613, 30814, 35672, 39494, 42532, 45227, 48706, 51688, 57226, 61628, 78988, 85064, 90454, 97412, 107849, 114452, 123256, 138229, 157976, 180908, 194824, 200291, 215698, 228904, 276458, 316589, 361816, 400582, 431396, 552916, 633178, 754943, 801164, 862792, 1105832, 1266356, 1402037, 1509886, 1602328, 2532712, 2804074, 3019772, 5608148, 6039544, 9814259, 11216296, 19628518, 39257036, 78514072]

約数ペア:

[(1, 78514072), (2, 39257036), (4, 19628518), (7, 11216296), (8, 9814259), (13, 6039544), (14, 5608148), (26, 3019772), (28, 2804074), (31, 2532712), (49, 1602328), (52, 1509886), (56, 1402037), (62, 1266356), (71, 1105832), (91, 862792), (98, 801164), (104, 754943), (124, 633178), (142, 552916), (182, 431396), (196, 400582), (217, 361816), (248, 316589), (284, 276458), (343, 228904), (364, 215698), (392, 200291), (403, 194824), (434, 180908), (497, 157976), (568, 138229), (637, 123256), (686, 114452), (728, 107849), (806, 97412), (868, 90454), (923, 85064), (994, 78988), (1274, 61628), (1372, 57226), (1519, 51688), (1612, 48706), (1736, 45227), (1846, 42532), (1988, 39494), (2201, 35672), (2548, 30814), (2744, 28613), (2821, 27832), (3038, 25844), (3224, 24353), (3479, 22568), (3692, 21266), (3976, 19747), (4402, 17836), (4459, 17608), (5096, 15407), (5642, 13916), (6076, 12922), (6461, 12152), (6958, 11284), (7384, 10633), (8804, 8918)]