28904548

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{541}}^1$

素因数の和:620

約数の個数: 36

約数和(自身を含む): 54929532

約数和(自身を除く): 26024984

約数列:

[1, 2, 4, 19, 37, 38, 74, 76, 148, 361, 541, 703, 722, 1082, 1406, 1444, 2164, 2812, 10279, 13357, 20017, 20558, 26714, 40034, 41116, 53428, 80068, 195301, 380323, 390602, 760646, 781204, 1521292, 7226137, 14452274, 28904548]

約数ペア:

[(1, 28904548), (2, 14452274), (4, 7226137), (19, 1521292), (37, 781204), (38, 760646), (74, 390602), (76, 380323), (148, 195301), (361, 80068), (541, 53428), (703, 41116), (722, 40034), (1082, 26714), (1406, 20558), (1444, 20017), (2164, 13357), (2812, 10279)]