13121804

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:194

約数の個数: 48

約数和(自身を含む): 25401600

約数和(自身を除く): 12279796

約数列:

[1, 2, 4, 29, 31, 41, 58, 62, 82, 89, 116, 124, 164, 178, 356, 899, 1189, 1271, 1798, 2378, 2542, 2581, 2759, 3596, 3649, 4756, 5084, 5162, 5518, 7298, 10324, 11036, 14596, 36859, 73718, 80011, 105821, 113119, 147436, 160022, 211642, 226238, 320044, 423284, 452476, 3280451, 6560902, 13121804]

約数ペア:

[(1, 13121804), (2, 6560902), (4, 3280451), (29, 452476), (31, 423284), (41, 320044), (58, 226238), (62, 211642), (82, 160022), (89, 147436), (116, 113119), (124, 105821), (164, 80011), (178, 73718), (356, 36859), (899, 14596), (1189, 11036), (1271, 10324), (1798, 7298), (2378, 5518), (2542, 5162), (2581, 5084), (2759, 4756), (3596, 3649)]