81488204

素因数分解:

$2^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{107}}^1\times {\mathrm{461}}^1$

素因数の和:638

約数の個数: 48

約数和(自身を含む): 167650560

約数和(自身を除く): 86162356

約数列:

[1, 2, 4, 7, 14, 28, 59, 107, 118, 214, 236, 413, 428, 461, 749, 826, 922, 1498, 1652, 1844, 2996, 3227, 6313, 6454, 12626, 12908, 25252, 27199, 44191, 49327, 54398, 88382, 98654, 108796, 176764, 190393, 197308, 345289, 380786, 690578, 761572, 1381156, 2910293, 5820586, 11641172, 20372051, 40744102, 81488204]

約数ペア:

[(1, 81488204), (2, 40744102), (4, 20372051), (7, 11641172), (14, 5820586), (28, 2910293), (59, 1381156), (107, 761572), (118, 690578), (214, 380786), (236, 345289), (413, 197308), (428, 190393), (461, 176764), (749, 108796), (826, 98654), (922, 88382), (1498, 54398), (1652, 49327), (1844, 44191), (2996, 27199), (3227, 25252), (6313, 12908), (6454, 12626)]