628732797

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1\times {\mathrm{263}}^1$

素因数の和:494

約数の個数: 64

約数和(自身を含む): 1070530560

約数和(自身を除く): 441797763

約数列:

[1, 3, 7, 11, 21, 33, 77, 79, 131, 231, 237, 263, 393, 553, 789, 869, 917, 1441, 1659, 1841, 2607, 2751, 2893, 4323, 5523, 6083, 8679, 10087, 10349, 18249, 20251, 20777, 30261, 31047, 34453, 60753, 62331, 72443, 103359, 113839, 145439, 217329, 228547, 241171, 341517, 378983, 436317, 685641, 723513, 796873, 1136949, 1599829, 2390619, 2652881, 2721787, 4799487, 7958643, 8165361, 19052509, 29939657, 57157527, 89818971, 209577599, 628732797]

約数ペア:

[(1, 628732797), (3, 209577599), (7, 89818971), (11, 57157527), (21, 29939657), (33, 19052509), (77, 8165361), (79, 7958643), (131, 4799487), (231, 2721787), (237, 2652881), (263, 2390619), (393, 1599829), (553, 1136949), (789, 796873), (869, 723513), (917, 685641), (1441, 436317), (1659, 378983), (1841, 341517), (2607, 241171), (2751, 228547), (2893, 217329), (4323, 145439), (5523, 113839), (6083, 103359), (8679, 72443), (10087, 62331), (10349, 60753), (18249, 34453), (20251, 31047), (20777, 30261)]