211031690

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{439}}^1\times {\mathrm{907}}^1$

素因数の和:1406

約数の個数: 32

約数和(自身を含む): 388333440

約数和(自身を除く): 177301750

約数列:

[1, 2, 5, 10, 53, 106, 265, 439, 530, 878, 907, 1814, 2195, 4390, 4535, 9070, 23267, 46534, 48071, 96142, 116335, 232670, 240355, 398173, 480710, 796346, 1990865, 3981730, 21103169, 42206338, 105515845, 211031690]

約数ペア:

[(1, 211031690), (2, 105515845), (5, 42206338), (10, 21103169), (53, 3981730), (106, 1990865), (265, 796346), (439, 480710), (530, 398173), (878, 240355), (907, 232670), (1814, 116335), (2195, 96142), (4390, 48071), (4535, 46534), (9070, 23267)]