217971292

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{617}}^1$

素因数の和:707

約数の個数: 96

約数和(自身を含む): 504999936

約数和(自身を除く): 287028644

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 31, 37, 44, 62, 74, 77, 124, 148, 154, 217, 259, 308, 341, 407, 434, 518, 617, 682, 814, 868, 1036, 1147, 1234, 1364, 1628, 2294, 2387, 2468, 2849, 4319, 4588, 4774, 5698, 6787, 8029, 8638, 9548, 11396, 12617, 13574, 16058, 17276, 19127, 22829, 25234, 27148, 32116, 38254, 45658, 47509, 50468, 76508, 88319, 91316, 95018, 133889, 159803, 176638, 190036, 210397, 251119, 267778, 319606, 353276, 420794, 502238, 535556, 639212, 707699, 841588, 1004476, 1415398, 1472779, 1757833, 2830796, 2945558, 3515666, 4953893, 5891116, 7031332, 7784689, 9907786, 15569378, 19815572, 31138756, 54492823, 108985646, 217971292]

約数ペア:

[(1, 217971292), (2, 108985646), (4, 54492823), (7, 31138756), (11, 19815572), (14, 15569378), (22, 9907786), (28, 7784689), (31, 7031332), (37, 5891116), (44, 4953893), (62, 3515666), (74, 2945558), (77, 2830796), (124, 1757833), (148, 1472779), (154, 1415398), (217, 1004476), (259, 841588), (308, 707699), (341, 639212), (407, 535556), (434, 502238), (518, 420794), (617, 353276), (682, 319606), (814, 267778), (868, 251119), (1036, 210397), (1147, 190036), (1234, 176638), (1364, 159803), (1628, 133889), (2294, 95018), (2387, 91316), (2468, 88319), (2849, 76508), (4319, 50468), (4588, 47509), (4774, 45658), (5698, 38254), (6787, 32116), (8029, 27148), (8638, 25234), (9548, 22829), (11396, 19127), (12617, 17276), (13574, 16058)]