1021213501

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:191

約数の個数: 96

約数和(自身を含む): 1470873600

約数和(自身を除く): 449660099

約数列:

[1, 7, 11, 19, 23, 31, 77, 89, 121, 133, 161, 209, 217, 253, 341, 437, 589, 623, 713, 847, 979, 1463, 1691, 1771, 2047, 2299, 2387, 2759, 2783, 3059, 3751, 4123, 4807, 4991, 6479, 6853, 7843, 10769, 11837, 13547, 14329, 16093, 18601, 19313, 19481, 22517, 26257, 30349, 33649, 38893, 45353, 52421, 52877, 54901, 63457, 71269, 75383, 86273, 94829, 130207, 149017, 157619, 204611, 212443, 247687, 272251, 333839, 366947, 370139, 427823, 444199, 498883, 576631, 603911, 698027, 1043119, 1205683, 1432277, 1639187, 1733809, 2336873, 2994761, 4036417, 4706053, 4886189, 6342941, 7678297, 8439781, 11474309, 13262513, 32942371, 44400587, 53748079, 92837591, 145887643, 1021213501]

約数ペア:

[(1, 1021213501), (7, 145887643), (11, 92837591), (19, 53748079), (23, 44400587), (31, 32942371), (77, 13262513), (89, 11474309), (121, 8439781), (133, 7678297), (161, 6342941), (209, 4886189), (217, 4706053), (253, 4036417), (341, 2994761), (437, 2336873), (589, 1733809), (623, 1639187), (713, 1432277), (847, 1205683), (979, 1043119), (1463, 698027), (1691, 603911), (1771, 576631), (2047, 498883), (2299, 444199), (2387, 427823), (2759, 370139), (2783, 366947), (3059, 333839), (3751, 272251), (4123, 247687), (4807, 212443), (4991, 204611), (6479, 157619), (6853, 149017), (7843, 130207), (10769, 94829), (11837, 86273), (13547, 75383), (14329, 71269), (16093, 63457), (18601, 54901), (19313, 52877), (19481, 52421), (22517, 45353), (26257, 38893), (30349, 33649)]