289656416

素因数分解:

$2^5\times 7^1\times {\mathrm{997}}^1\times {\mathrm{1297}}^1$

素因数の和:2311

約数の個数: 48

約数和(自身を含む): 652883616

約数和(自身を除く): 363227200

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 997, 1297, 1994, 2594, 3988, 5188, 6979, 7976, 9079, 10376, 13958, 15952, 18158, 20752, 27916, 31904, 36316, 41504, 55832, 72632, 111664, 145264, 223328, 290528, 1293109, 2586218, 5172436, 9051763, 10344872, 18103526, 20689744, 36207052, 41379488, 72414104, 144828208, 289656416]

約数ペア:

[(1, 289656416), (2, 144828208), (4, 72414104), (7, 41379488), (8, 36207052), (14, 20689744), (16, 18103526), (28, 10344872), (32, 9051763), (56, 5172436), (112, 2586218), (224, 1293109), (997, 290528), (1297, 223328), (1994, 145264), (2594, 111664), (3988, 72632), (5188, 55832), (6979, 41504), (7976, 36316), (9079, 31904), (10376, 27916), (13958, 20752), (15952, 18158)]