31225516

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{139}}^1$

素因数の和:334

約数の個数: 48

約数和(自身を含む): 64350720

約数和(自身を除く): 33125204

約数列:

[1, 2, 4, 7, 14, 28, 71, 113, 139, 142, 226, 278, 284, 452, 497, 556, 791, 973, 994, 1582, 1946, 1988, 3164, 3892, 8023, 9869, 15707, 16046, 19738, 31414, 32092, 39476, 56161, 62828, 69083, 109949, 112322, 138166, 219898, 224644, 276332, 439796, 1115197, 2230394, 4460788, 7806379, 15612758, 31225516]

約数ペア:

[(1, 31225516), (2, 15612758), (4, 7806379), (7, 4460788), (14, 2230394), (28, 1115197), (71, 439796), (113, 276332), (139, 224644), (142, 219898), (226, 138166), (278, 112322), (284, 109949), (452, 69083), (497, 62828), (556, 56161), (791, 39476), (973, 32092), (994, 31414), (1582, 19738), (1946, 16046), (1988, 15707), (3164, 9869), (3892, 8023)]