161821116

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{1747}}^1$

素因数の和:1871

約数の個数: 72

約数和(自身を含む): 427574784

約数和(自身を除く): 265753668

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 83, 93, 124, 166, 186, 249, 279, 332, 372, 498, 558, 747, 996, 1116, 1494, 1747, 2573, 2988, 3494, 5146, 5241, 6988, 7719, 10292, 10482, 15438, 15723, 20964, 23157, 30876, 31446, 46314, 54157, 62892, 92628, 108314, 145001, 162471, 216628, 290002, 324942, 435003, 487413, 580004, 649884, 870006, 974826, 1305009, 1740012, 1949652, 2610018, 4495031, 5220036, 8990062, 13485093, 17980124, 26970186, 40455279, 53940372, 80910558, 161821116]

約数ペア:

[(1, 161821116), (2, 80910558), (3, 53940372), (4, 40455279), (6, 26970186), (9, 17980124), (12, 13485093), (18, 8990062), (31, 5220036), (36, 4495031), (62, 2610018), (83, 1949652), (93, 1740012), (124, 1305009), (166, 974826), (186, 870006), (249, 649884), (279, 580004), (332, 487413), (372, 435003), (498, 324942), (558, 290002), (747, 216628), (996, 162471), (1116, 145001), (1494, 108314), (1747, 92628), (2573, 62892), (2988, 54157), (3494, 46314), (5146, 31446), (5241, 30876), (6988, 23157), (7719, 20964), (10292, 15723), (10482, 15438)]