71477380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{653}}^1$

素因数の和:1096

約数の個数: 48

約数和(自身を含む): 162280944

約数和(自身を除く): 90803564

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 421, 653, 842, 1306, 1684, 2105, 2612, 3265, 4210, 5473, 6530, 8420, 8489, 10946, 13060, 16978, 21892, 27365, 33956, 42445, 54730, 84890, 109460, 169780, 274913, 549826, 1099652, 1374565, 2749130, 3573869, 5498260, 7147738, 14295476, 17869345, 35738690, 71477380]

約数ペア:

[(1, 71477380), (2, 35738690), (4, 17869345), (5, 14295476), (10, 7147738), (13, 5498260), (20, 3573869), (26, 2749130), (52, 1374565), (65, 1099652), (130, 549826), (260, 274913), (421, 169780), (653, 109460), (842, 84890), (1306, 54730), (1684, 42445), (2105, 33956), (2612, 27365), (3265, 21892), (4210, 16978), (5473, 13060), (6530, 10946), (8420, 8489)]