664238848

素因数分解:

$2^8\times 7^1\times {\mathrm{13}}^1\times {\mathrm{28513}}^1$

素因数の和:28549

約数の個数: 72

約数和(自身を含む): 1631913248

約数和(自身を除く): 967674400

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 128, 182, 208, 224, 256, 364, 416, 448, 728, 832, 896, 1456, 1664, 1792, 2912, 3328, 5824, 11648, 23296, 28513, 57026, 114052, 199591, 228104, 370669, 399182, 456208, 741338, 798364, 912416, 1482676, 1596728, 1824832, 2594683, 2965352, 3193456, 3649664, 5189366, 5930704, 6386912, 7299328, 10378732, 11861408, 12773824, 20757464, 23722816, 25547648, 41514928, 47445632, 51095296, 83029856, 94891264, 166059712, 332119424, 664238848]

約数ペア:

[(1, 664238848), (2, 332119424), (4, 166059712), (7, 94891264), (8, 83029856), (13, 51095296), (14, 47445632), (16, 41514928), (26, 25547648), (28, 23722816), (32, 20757464), (52, 12773824), (56, 11861408), (64, 10378732), (91, 7299328), (104, 6386912), (112, 5930704), (128, 5189366), (182, 3649664), (208, 3193456), (224, 2965352), (256, 2594683), (364, 1824832), (416, 1596728), (448, 1482676), (728, 912416), (832, 798364), (896, 741338), (1456, 456208), (1664, 399182), (1792, 370669), (2912, 228104), (3328, 199591), (5824, 114052), (11648, 57026), (23296, 28513)]