12781552803778

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{223}}^1\times {\mathrm{821081}}^1$

素因数の和:821503

約数の個数: 64

約数和(自身を含む): 22247249633280

約数和(自身を除く): 9465696829502

約数列:

[1, 2, 11, 19, 22, 38, 167, 209, 223, 334, 418, 446, 1837, 2453, 3173, 3674, 4237, 4906, 6346, 8474, 34903, 37241, 46607, 69806, 74482, 93214, 409651, 707579, 819302, 821081, 1415158, 1642162, 7783369, 9031891, 15566738, 15600539, 18063782, 31201078, 137120527, 171605929, 183101063, 274241054, 343211858, 366202126, 1508325797, 2014111693, 2605290013, 3016651594, 3478920197, 4028223386, 5210580026, 6957840394, 28658190143, 30577877521, 38268122167, 57316380286, 61155755042, 76536244334, 336356652731, 580979672899, 672713305462, 1161959345798, 6390776401889, 12781552803778]

約数ペア:

[(1, 12781552803778), (2, 6390776401889), (11, 1161959345798), (19, 672713305462), (22, 580979672899), (38, 336356652731), (167, 76536244334), (209, 61155755042), (223, 57316380286), (334, 38268122167), (418, 30577877521), (446, 28658190143), (1837, 6957840394), (2453, 5210580026), (3173, 4028223386), (3674, 3478920197), (4237, 3016651594), (4906, 2605290013), (6346, 2014111693), (8474, 1508325797), (34903, 366202126), (37241, 343211858), (46607, 274241054), (69806, 183101063), (74482, 171605929), (93214, 137120527), (409651, 31201078), (707579, 18063782), (819302, 15600539), (821081, 15566738), (1415158, 9031891), (1642162, 7783369)]