843284728

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{331}}^1$

素因数の和:509

約数の個数: 128

約数和(自身を含む): 1987856640

約数和(自身を除く): 1144571912

約数列:

[1, 2, 4, 8, 11, 13, 17, 22, 26, 34, 44, 52, 68, 88, 104, 131, 136, 143, 187, 221, 262, 286, 331, 374, 442, 524, 572, 662, 748, 884, 1048, 1144, 1324, 1441, 1496, 1703, 1768, 2227, 2431, 2648, 2882, 3406, 3641, 4303, 4454, 4862, 5627, 5764, 6812, 7282, 8606, 8908, 9724, 11254, 11528, 13624, 14564, 17212, 17816, 18733, 19448, 22508, 24497, 28951, 29128, 34424, 37466, 43361, 45016, 47333, 48994, 57902, 61897, 73151, 74932, 86722, 94666, 97988, 115804, 123794, 146302, 149864, 173444, 189332, 195976, 231608, 247588, 292604, 318461, 346888, 378664, 476971, 495176, 563693, 585208, 636922, 737137, 804661, 953942, 1127386, 1273844, 1474274, 1609322, 1907884, 2254772, 2547688, 2948548, 3218644, 3815768, 4509544, 5897096, 6200623, 6437288, 8108507, 9582781, 12401246, 16217014, 19165562, 24802492, 32434028, 38331124, 49604984, 64868056, 76662248, 105410591, 210821182, 421642364, 843284728]

約数ペア:

[(1, 843284728), (2, 421642364), (4, 210821182), (8, 105410591), (11, 76662248), (13, 64868056), (17, 49604984), (22, 38331124), (26, 32434028), (34, 24802492), (44, 19165562), (52, 16217014), (68, 12401246), (88, 9582781), (104, 8108507), (131, 6437288), (136, 6200623), (143, 5897096), (187, 4509544), (221, 3815768), (262, 3218644), (286, 2948548), (331, 2547688), (374, 2254772), (442, 1907884), (524, 1609322), (572, 1474274), (662, 1273844), (748, 1127386), (884, 953942), (1048, 804661), (1144, 737137), (1324, 636922), (1441, 585208), (1496, 563693), (1703, 495176), (1768, 476971), (2227, 378664), (2431, 346888), (2648, 318461), (2882, 292604), (3406, 247588), (3641, 231608), (4303, 195976), (4454, 189332), (4862, 173444), (5627, 149864), (5764, 146302), (6812, 123794), (7282, 115804), (8606, 97988), (8908, 94666), (9724, 86722), (11254, 74932), (11528, 73151), (13624, 61897), (14564, 57902), (17212, 48994), (17816, 47333), (18733, 45016), (19448, 43361), (22508, 37466), (24497, 34424), (28951, 29128)]