1291036726

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{21401}}^1$

素因数の和:21580

約数の個数: 32

約数和(自身を含む): 2301143040

約数和(自身を除く): 1010106314

約数列:

[1, 2, 7, 14, 31, 62, 139, 217, 278, 434, 973, 1946, 4309, 8618, 21401, 30163, 42802, 60326, 149807, 299614, 663431, 1326862, 2974739, 4644017, 5949478, 9288034, 20823173, 41646346, 92216909, 184433818, 645518363, 1291036726]

約数ペア:

[(1, 1291036726), (2, 645518363), (7, 184433818), (14, 92216909), (31, 41646346), (62, 20823173), (139, 9288034), (217, 5949478), (278, 4644017), (434, 2974739), (973, 1326862), (1946, 663431), (4309, 299614), (8618, 149807), (21401, 60326), (30163, 42802)]