15218644

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1$

素因数の和:328

約数の個数: 48

約数和(自身を含む): 31933440

約数和(自身を除く): 16714796

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 89, 124, 178, 197, 217, 356, 394, 434, 623, 788, 868, 1246, 1379, 2492, 2758, 2759, 5516, 5518, 6107, 11036, 12214, 17533, 19313, 24428, 35066, 38626, 42749, 70132, 77252, 85498, 122731, 170996, 245462, 490924, 543523, 1087046, 2174092, 3804661, 7609322, 15218644]

約数ペア:

[(1, 15218644), (2, 7609322), (4, 3804661), (7, 2174092), (14, 1087046), (28, 543523), (31, 490924), (62, 245462), (89, 170996), (124, 122731), (178, 85498), (197, 77252), (217, 70132), (356, 42749), (394, 38626), (434, 35066), (623, 24428), (788, 19313), (868, 17533), (1246, 12214), (1379, 11036), (2492, 6107), (2758, 5518), (2759, 5516)]