128658738

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{40231}}^1$

素因数の和:40290

約数の個数: 32

約数和(自身を含む): 283876992

約数和(自身を除く): 155218254

約数列:

[1, 2, 3, 6, 13, 26, 39, 41, 78, 82, 123, 246, 533, 1066, 1599, 3198, 40231, 80462, 120693, 241386, 523003, 1046006, 1569009, 1649471, 3138018, 3298942, 4948413, 9896826, 21443123, 42886246, 64329369, 128658738]

約数ペア:

[(1, 128658738), (2, 64329369), (3, 42886246), (6, 21443123), (13, 9896826), (26, 4948413), (39, 3298942), (41, 3138018), (78, 1649471), (82, 1569009), (123, 1046006), (246, 523003), (533, 241386), (1066, 120693), (1599, 80462), (3198, 40231)]