381309804

素因数分解:

$2^2\times 3^2\times {\mathrm{139}}^1\times {\mathrm{181}}^1\times {\mathrm{421}}^1$

素因数の和:751

約数の個数: 72

約数和(自身を含む): 978482960

約数和(自身を除く): 597173156

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 139, 181, 278, 362, 417, 421, 543, 556, 724, 834, 842, 1086, 1251, 1263, 1629, 1668, 1684, 2172, 2502, 2526, 3258, 3789, 5004, 5052, 6516, 7578, 15156, 25159, 50318, 58519, 75477, 76201, 100636, 117038, 150954, 152402, 175557, 226431, 228603, 234076, 301908, 304804, 351114, 452862, 457206, 526671, 685809, 702228, 905724, 914412, 1053342, 1371618, 2106684, 2743236, 10591939, 21183878, 31775817, 42367756, 63551634, 95327451, 127103268, 190654902, 381309804]

約数ペア:

[(1, 381309804), (2, 190654902), (3, 127103268), (4, 95327451), (6, 63551634), (9, 42367756), (12, 31775817), (18, 21183878), (36, 10591939), (139, 2743236), (181, 2106684), (278, 1371618), (362, 1053342), (417, 914412), (421, 905724), (543, 702228), (556, 685809), (724, 526671), (834, 457206), (842, 452862), (1086, 351114), (1251, 304804), (1263, 301908), (1629, 234076), (1668, 228603), (1684, 226431), (2172, 175557), (2502, 152402), (2526, 150954), (3258, 117038), (3789, 100636), (5004, 76201), (5052, 75477), (6516, 58519), (7578, 50318), (15156, 25159)]