18315031105

素因数分解:

$5^1\times 7^2\times {\mathrm{31}}^2\times {\mathrm{107}}^1\times {\mathrm{727}}^1$

素因数の和:915

約数の個数: 72

約数和(自身を含む): 26701182144

約数和(自身を除く): 8386151039

約数列:

[1, 5, 7, 31, 35, 49, 107, 155, 217, 245, 535, 727, 749, 961, 1085, 1519, 3317, 3635, 3745, 4805, 5089, 5243, 6727, 7595, 16585, 22537, 23219, 25445, 26215, 33635, 35623, 47089, 77789, 102827, 112685, 116095, 157759, 162533, 178115, 235445, 388945, 514135, 544523, 698647, 719789, 788795, 812665, 1104313, 2411459, 2722615, 3493235, 3598945, 3811661, 4890529, 5038523, 5521565, 12057295, 16880213, 19058305, 24452645, 25192615, 34233703, 74755229, 84401065, 118161491, 171168515, 373776145, 523286603, 590807455, 2616433015, 3663006221, 18315031105]

約数ペア:

[(1, 18315031105), (5, 3663006221), (7, 2616433015), (31, 590807455), (35, 523286603), (49, 373776145), (107, 171168515), (155, 118161491), (217, 84401065), (245, 74755229), (535, 34233703), (727, 25192615), (749, 24452645), (961, 19058305), (1085, 16880213), (1519, 12057295), (3317, 5521565), (3635, 5038523), (3745, 4890529), (4805, 3811661), (5089, 3598945), (5243, 3493235), (6727, 2722615), (7595, 2411459), (16585, 1104313), (22537, 812665), (23219, 788795), (25445, 719789), (26215, 698647), (33635, 544523), (35623, 514135), (47089, 388945), (77789, 235445), (102827, 178115), (112685, 162533), (116095, 157759)]