164065664

素因数分解:

$2^7\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2579}}^1$

素因数の和:2671

約数の個数: 64

約数和(自身を含む): 378950400

約数和(自身を除く): 214884736

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 71, 112, 128, 142, 224, 284, 448, 497, 568, 896, 994, 1136, 1988, 2272, 2579, 3976, 4544, 5158, 7952, 9088, 10316, 15904, 18053, 20632, 31808, 36106, 41264, 63616, 72212, 82528, 144424, 165056, 183109, 288848, 330112, 366218, 577696, 732436, 1155392, 1281763, 1464872, 2310784, 2563526, 2929744, 5127052, 5859488, 10254104, 11718976, 20508208, 23437952, 41016416, 82032832, 164065664]

約数ペア:

[(1, 164065664), (2, 82032832), (4, 41016416), (7, 23437952), (8, 20508208), (14, 11718976), (16, 10254104), (28, 5859488), (32, 5127052), (56, 2929744), (64, 2563526), (71, 2310784), (112, 1464872), (128, 1281763), (142, 1155392), (224, 732436), (284, 577696), (448, 366218), (497, 330112), (568, 288848), (896, 183109), (994, 165056), (1136, 144424), (1988, 82528), (2272, 72212), (2579, 63616), (3976, 41264), (4544, 36106), (5158, 31808), (7952, 20632), (9088, 18053), (10316, 15904)]