16440476

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:222

約数の個数: 48

約数和(自身を含む): 32372928

約数和(自身を除く): 15932452

約数列:

[1, 2, 4, 13, 26, 52, 61, 71, 73, 122, 142, 146, 244, 284, 292, 793, 923, 949, 1586, 1846, 1898, 3172, 3692, 3796, 4331, 4453, 5183, 8662, 8906, 10366, 17324, 17812, 20732, 56303, 57889, 67379, 112606, 115778, 134758, 225212, 231556, 269516, 316163, 632326, 1264652, 4110119, 8220238, 16440476]

約数ペア:

[(1, 16440476), (2, 8220238), (4, 4110119), (13, 1264652), (26, 632326), (52, 316163), (61, 269516), (71, 231556), (73, 225212), (122, 134758), (142, 115778), (146, 112606), (244, 67379), (284, 57889), (292, 56303), (793, 20732), (923, 17812), (949, 17324), (1586, 10366), (1846, 8906), (1898, 8662), (3172, 5183), (3692, 4453), (3796, 4331)]