215317564

素因数分解:

$2^2\times 7^3\times {\mathrm{11}}^2\times {\mathrm{1297}}^1$

素因数の和:1344

約数の個数: 72

約数和(自身を含む): 483375200

約数和(自身を除く): 268057636

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 121, 154, 196, 242, 308, 343, 484, 539, 686, 847, 1078, 1297, 1372, 1694, 2156, 2594, 3388, 3773, 5188, 5929, 7546, 9079, 11858, 14267, 15092, 18158, 23716, 28534, 36316, 41503, 57068, 63553, 83006, 99869, 127106, 156937, 166012, 199738, 254212, 313874, 399476, 444871, 627748, 699083, 889742, 1098559, 1398166, 1779484, 2197118, 2796332, 4394236, 4893581, 7689913, 9787162, 15379826, 19574324, 30759652, 53829391, 107658782, 215317564]

約数ペア:

[(1, 215317564), (2, 107658782), (4, 53829391), (7, 30759652), (11, 19574324), (14, 15379826), (22, 9787162), (28, 7689913), (44, 4893581), (49, 4394236), (77, 2796332), (98, 2197118), (121, 1779484), (154, 1398166), (196, 1098559), (242, 889742), (308, 699083), (343, 627748), (484, 444871), (539, 399476), (686, 313874), (847, 254212), (1078, 199738), (1297, 166012), (1372, 156937), (1694, 127106), (2156, 99869), (2594, 83006), (3388, 63553), (3773, 57068), (5188, 41503), (5929, 36316), (7546, 28534), (9079, 23716), (11858, 18158), (14267, 15092)]