71406237

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1$

素因数の和:334

約数の個数: 64

約数和(自身を含む): 123863040

約数和(自身を除く): 52456803

約数列:

[1, 3, 7, 19, 21, 23, 31, 57, 69, 93, 133, 161, 217, 251, 399, 437, 483, 589, 651, 713, 753, 1311, 1757, 1767, 2139, 3059, 4123, 4769, 4991, 5271, 5773, 7781, 9177, 12369, 13547, 14307, 14973, 17319, 23343, 33383, 40411, 40641, 54467, 94829, 100149, 109687, 121233, 147839, 163401, 178963, 284487, 329061, 443517, 536889, 767809, 1034873, 1252741, 2303427, 3104619, 3400297, 3758223, 10200891, 23802079, 71406237]

約数ペア:

[(1, 71406237), (3, 23802079), (7, 10200891), (19, 3758223), (21, 3400297), (23, 3104619), (31, 2303427), (57, 1252741), (69, 1034873), (93, 767809), (133, 536889), (161, 443517), (217, 329061), (251, 284487), (399, 178963), (437, 163401), (483, 147839), (589, 121233), (651, 109687), (713, 100149), (753, 94829), (1311, 54467), (1757, 40641), (1767, 40411), (2139, 33383), (3059, 23343), (4123, 17319), (4769, 14973), (4991, 14307), (5271, 13547), (5773, 12369), (7781, 9177)]