81474848

素因数分解:

$2^5\times 7^3\times {\mathrm{13}}^1\times {\mathrm{571}}^1$

素因数の和:615

約数の個数: 96

約数和(自身を含む): 201801600

約数和(自身を除く): 120326752

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 49, 52, 56, 91, 98, 104, 112, 182, 196, 208, 224, 343, 364, 392, 416, 571, 637, 686, 728, 784, 1142, 1274, 1372, 1456, 1568, 2284, 2548, 2744, 2912, 3997, 4459, 4568, 5096, 5488, 7423, 7994, 8918, 9136, 10192, 10976, 14846, 15988, 17836, 18272, 20384, 27979, 29692, 31976, 35672, 51961, 55958, 59384, 63952, 71344, 103922, 111916, 118768, 127904, 142688, 195853, 207844, 223832, 237536, 363727, 391706, 415688, 447664, 727454, 783412, 831376, 895328, 1454908, 1566824, 1662752, 2546089, 2909816, 3133648, 5092178, 5819632, 6267296, 10184356, 11639264, 20368712, 40737424, 81474848]

約数ペア:

[(1, 81474848), (2, 40737424), (4, 20368712), (7, 11639264), (8, 10184356), (13, 6267296), (14, 5819632), (16, 5092178), (26, 3133648), (28, 2909816), (32, 2546089), (49, 1662752), (52, 1566824), (56, 1454908), (91, 895328), (98, 831376), (104, 783412), (112, 727454), (182, 447664), (196, 415688), (208, 391706), (224, 363727), (343, 237536), (364, 223832), (392, 207844), (416, 195853), (571, 142688), (637, 127904), (686, 118768), (728, 111916), (784, 103922), (1142, 71344), (1274, 63952), (1372, 59384), (1456, 55958), (1568, 51961), (2284, 35672), (2548, 31976), (2744, 29692), (2912, 27979), (3997, 20384), (4459, 18272), (4568, 17836), (5096, 15988), (5488, 14846), (7423, 10976), (7994, 10192), (8918, 9136)]