251581232

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{229}}^1\times {\mathrm{577}}^1$

素因数の和:838

約数の個数: 80

約数和(自身を含む): 593444160

約数和(自身を除く): 341862928

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 112, 119, 136, 229, 238, 272, 458, 476, 577, 916, 952, 1154, 1603, 1832, 1904, 2308, 3206, 3664, 3893, 4039, 4616, 6412, 7786, 8078, 9232, 9809, 12824, 15572, 16156, 19618, 25648, 27251, 31144, 32312, 39236, 54502, 62288, 64624, 68663, 78472, 109004, 132133, 137326, 156944, 218008, 264266, 274652, 436016, 528532, 549304, 924931, 1057064, 1098608, 1849862, 2114128, 2246261, 3699724, 4492522, 7399448, 8985044, 14798896, 15723827, 17970088, 31447654, 35940176, 62895308, 125790616, 251581232]

約数ペア:

[(1, 251581232), (2, 125790616), (4, 62895308), (7, 35940176), (8, 31447654), (14, 17970088), (16, 15723827), (17, 14798896), (28, 8985044), (34, 7399448), (56, 4492522), (68, 3699724), (112, 2246261), (119, 2114128), (136, 1849862), (229, 1098608), (238, 1057064), (272, 924931), (458, 549304), (476, 528532), (577, 436016), (916, 274652), (952, 264266), (1154, 218008), (1603, 156944), (1832, 137326), (1904, 132133), (2308, 109004), (3206, 78472), (3664, 68663), (3893, 64624), (4039, 62288), (4616, 54502), (6412, 39236), (7786, 32312), (8078, 31144), (9232, 27251), (9809, 25648), (12824, 19618), (15572, 16156)]