28979728

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{227}}^1$

素因数の和:415

約数の個数: 40

約数和(自身を含む): 57674880

約数和(自身を除く): 28695152

約数列:

[1, 2, 4, 8, 16, 79, 101, 158, 202, 227, 316, 404, 454, 632, 808, 908, 1264, 1616, 1816, 3632, 7979, 15958, 17933, 22927, 31916, 35866, 45854, 63832, 71732, 91708, 127664, 143464, 183416, 286928, 366832, 1811233, 3622466, 7244932, 14489864, 28979728]

約数ペア:

[(1, 28979728), (2, 14489864), (4, 7244932), (8, 3622466), (16, 1811233), (79, 366832), (101, 286928), (158, 183416), (202, 143464), (227, 127664), (316, 91708), (404, 71732), (454, 63832), (632, 45854), (808, 35866), (908, 31916), (1264, 22927), (1616, 17933), (1816, 15958), (3632, 7979)]