28557568

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{8581}}^1$

素因数の和:8610

約数の個数: 36

約数和(自身を含む): 61395628

約数和(自身を除く): 32838060

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 832, 1664, 3328, 8581, 17162, 34324, 68648, 111553, 137296, 223106, 274592, 446212, 549184, 892424, 1098368, 1784848, 2196736, 3569696, 7139392, 14278784, 28557568]

約数ペア:

[(1, 28557568), (2, 14278784), (4, 7139392), (8, 3569696), (13, 2196736), (16, 1784848), (26, 1098368), (32, 892424), (52, 549184), (64, 446212), (104, 274592), (128, 223106), (208, 137296), (256, 111553), (416, 68648), (832, 34324), (1664, 17162), (3328, 8581)]