238872998

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{233}}^1$

素因数の和:429

約数の個数: 64

約数和(自身を含む): 456648192

約数和(自身を除く): 217775194

約数列:

[1, 2, 7, 13, 14, 26, 43, 86, 91, 131, 182, 233, 262, 301, 466, 559, 602, 917, 1118, 1631, 1703, 1834, 3029, 3262, 3406, 3913, 5633, 6058, 7826, 10019, 11266, 11921, 20038, 21203, 23842, 30523, 39431, 42406, 61046, 70133, 73229, 78862, 130247, 140266, 146458, 213661, 260494, 396799, 427322, 512603, 793598, 911729, 1025206, 1312489, 1823458, 2624978, 2777593, 5555186, 9187423, 17062357, 18374846, 34124714, 119436499, 238872998]

約数ペア:

[(1, 238872998), (2, 119436499), (7, 34124714), (13, 18374846), (14, 17062357), (26, 9187423), (43, 5555186), (86, 2777593), (91, 2624978), (131, 1823458), (182, 1312489), (233, 1025206), (262, 911729), (301, 793598), (466, 512603), (559, 427322), (602, 396799), (917, 260494), (1118, 213661), (1631, 146458), (1703, 140266), (1834, 130247), (3029, 78862), (3262, 73229), (3406, 70133), (3913, 61046), (5633, 42406), (6058, 39431), (7826, 30523), (10019, 23842), (11266, 21203), (11921, 20038)]