1662128

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:213

約数の個数: 40

約数和(自身を含む): 3551856

約数和(自身を除く): 1889728

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 61, 104, 122, 131, 208, 244, 262, 488, 524, 793, 976, 1048, 1586, 1703, 2096, 3172, 3406, 6344, 6812, 7991, 12688, 13624, 15982, 27248, 31964, 63928, 103883, 127856, 207766, 415532, 831064, 1662128]

約数ペア:

[(1, 1662128), (2, 831064), (4, 415532), (8, 207766), (13, 127856), (16, 103883), (26, 63928), (52, 31964), (61, 27248), (104, 15982), (122, 13624), (131, 12688), (208, 7991), (244, 6812), (262, 6344), (488, 3406), (524, 3172), (793, 2096), (976, 1703), (1048, 1586)]