80972388

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{321319}}^1$

素因数の和:321336

約数の個数: 36

約数和(自身を含む): 233920960

約数和(自身を除く): 152948572

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 321319, 642638, 963957, 1285276, 1927914, 2249233, 2891871, 3855828, 4498466, 5783742, 6747699, 8996932, 11567484, 13495398, 20243097, 26990796, 40486194, 80972388]

約数ペア:

[(1, 80972388), (2, 40486194), (3, 26990796), (4, 20243097), (6, 13495398), (7, 11567484), (9, 8996932), (12, 6747699), (14, 5783742), (18, 4498466), (21, 3855828), (28, 2891871), (36, 2249233), (42, 1927914), (63, 1285276), (84, 963957), (126, 642638), (252, 321319)]