72911408

素因数分解:

$2^4\times {\mathrm{97}}^1\times {\mathrm{109}}^1\times {\mathrm{431}}^1$

素因数の和:645

約数の個数: 40

約数和(自身を含む): 144365760

約数和(自身を除く): 71454352

約数列:

[1, 2, 4, 8, 16, 97, 109, 194, 218, 388, 431, 436, 776, 862, 872, 1552, 1724, 1744, 3448, 6896, 10573, 21146, 41807, 42292, 46979, 83614, 84584, 93958, 167228, 169168, 187916, 334456, 375832, 668912, 751664, 4556963, 9113926, 18227852, 36455704, 72911408]

約数ペア:

[(1, 72911408), (2, 36455704), (4, 18227852), (8, 9113926), (16, 4556963), (97, 751664), (109, 668912), (194, 375832), (218, 334456), (388, 187916), (431, 169168), (436, 167228), (776, 93958), (862, 84584), (872, 83614), (1552, 46979), (1724, 42292), (1744, 41807), (3448, 21146), (6896, 10573)]