30428944

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{20899}}^1$

素因数の和:20927

約数の個数: 40

約数和(自身を含む): 72564800

約数和(自身を除く): 42135856

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 20899, 41798, 83596, 146293, 167192, 271687, 292586, 334384, 543374, 585172, 1086748, 1170344, 1901809, 2173496, 2340688, 3803618, 4346992, 7607236, 15214472, 30428944]

約数ペア:

[(1, 30428944), (2, 15214472), (4, 7607236), (7, 4346992), (8, 3803618), (13, 2340688), (14, 2173496), (16, 1901809), (26, 1170344), (28, 1086748), (52, 585172), (56, 543374), (91, 334384), (104, 292586), (112, 271687), (182, 167192), (208, 146293), (364, 83596), (728, 41798), (1456, 20899)]