69979984

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{397}}^1\times {\mathrm{479}}^1$

素因数の和:907

約数の個数: 40

約数和(自身を含む): 142133760

約数和(自身を除く): 72153776

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 397, 479, 794, 958, 1588, 1916, 3176, 3832, 6352, 7664, 9131, 11017, 18262, 22034, 36524, 44068, 73048, 88136, 146096, 176272, 190163, 380326, 760652, 1521304, 3042608, 4373749, 8747498, 17494996, 34989992, 69979984]

約数ペア:

[(1, 69979984), (2, 34989992), (4, 17494996), (8, 8747498), (16, 4373749), (23, 3042608), (46, 1521304), (92, 760652), (184, 380326), (368, 190163), (397, 176272), (479, 146096), (794, 88136), (958, 73048), (1588, 44068), (1916, 36524), (3176, 22034), (3832, 18262), (6352, 11017), (7664, 9131)]