161936164

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{653}}^1$

素因数の和:940

約数の個数: 48

約数和(自身を含む): 323023680

約数和(自身を除く): 161087516

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 251, 494, 502, 653, 988, 1004, 1306, 2612, 3263, 4769, 6526, 8489, 9538, 12407, 13052, 16978, 19076, 24814, 33956, 49628, 61997, 123994, 161291, 163903, 247988, 322582, 327806, 645164, 655612, 2130739, 3114157, 4261478, 6228314, 8522956, 12456628, 40484041, 80968082, 161936164]

約数ペア:

[(1, 161936164), (2, 80968082), (4, 40484041), (13, 12456628), (19, 8522956), (26, 6228314), (38, 4261478), (52, 3114157), (76, 2130739), (247, 655612), (251, 645164), (494, 327806), (502, 322582), (653, 247988), (988, 163903), (1004, 161291), (1306, 123994), (2612, 61997), (3263, 49628), (4769, 33956), (6526, 24814), (8489, 19076), (9538, 16978), (12407, 13052)]