208543544

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{3371}}^1$

素因数の和:3444

約数の個数: 64

約数和(自身を含む): 461289600

約数和(自身を除く): 252746056

約数列:

[1, 2, 4, 8, 11, 19, 22, 37, 38, 44, 74, 76, 88, 148, 152, 209, 296, 407, 418, 703, 814, 836, 1406, 1628, 1672, 2812, 3256, 3371, 5624, 6742, 7733, 13484, 15466, 26968, 30932, 37081, 61864, 64049, 74162, 124727, 128098, 148324, 249454, 256196, 296648, 498908, 512392, 704539, 997816, 1371997, 1409078, 2369813, 2743994, 2818156, 4739626, 5487988, 5636312, 9479252, 10975976, 18958504, 26067943, 52135886, 104271772, 208543544]

約数ペア:

[(1, 208543544), (2, 104271772), (4, 52135886), (8, 26067943), (11, 18958504), (19, 10975976), (22, 9479252), (37, 5636312), (38, 5487988), (44, 4739626), (74, 2818156), (76, 2743994), (88, 2369813), (148, 1409078), (152, 1371997), (209, 997816), (296, 704539), (407, 512392), (418, 498908), (703, 296648), (814, 256196), (836, 249454), (1406, 148324), (1628, 128098), (1672, 124727), (2812, 74162), (3256, 64049), (3371, 61864), (5624, 37081), (6742, 30932), (7733, 26968), (13484, 15466)]