16721710

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1$

素因数の和:241

約数の個数: 64

約数和(自身を含む): 34836480

約数和(自身を除く): 18114770

約数列:

[1, 2, 5, 10, 17, 19, 31, 34, 38, 62, 85, 95, 155, 167, 170, 190, 310, 323, 334, 527, 589, 646, 835, 1054, 1178, 1615, 1670, 2635, 2839, 2945, 3173, 3230, 5177, 5270, 5678, 5890, 6346, 10013, 10354, 14195, 15865, 20026, 25885, 28390, 31730, 50065, 51770, 53941, 88009, 98363, 100130, 107882, 176018, 196726, 269705, 440045, 491815, 539410, 880090, 983630, 1672171, 3344342, 8360855, 16721710]

約数ペア:

[(1, 16721710), (2, 8360855), (5, 3344342), (10, 1672171), (17, 983630), (19, 880090), (31, 539410), (34, 491815), (38, 440045), (62, 269705), (85, 196726), (95, 176018), (155, 107882), (167, 100130), (170, 98363), (190, 88009), (310, 53941), (323, 51770), (334, 50065), (527, 31730), (589, 28390), (646, 25885), (835, 20026), (1054, 15865), (1178, 14195), (1615, 10354), (1670, 10013), (2635, 6346), (2839, 5890), (2945, 5678), (3173, 5270), (3230, 5177)]